RHSA-2026:54531
Vulnerability from csaf_redhat - Published: 2026-08-13 10:51 - Updated: 2026-08-14 10:16A flaw was found in golang.org/x/net/html. A remote attacker could exploit this vulnerability by providing specially crafted HTML. When this arbitrary HTML is parsed and rendered, it can result in an unexpected HTML tree, bypassing input sanitization. This can be leveraged to execute Cross-Site Scripting (XSS) attacks, potentially leading to arbitrary code execution in applications that use the affected component.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:0e4493d95443c137e4fe2e5b81cdf3d6a9b7b5d74c9162c3f32909a331dc07f2_amd64 | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:5074228e3df2095b082e468b4c99d285203313133e208ca1893b2ae966fbee90_arm64 | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:a16ba6a9cb55a5c6e0743cf8d38742c346c22518e02c1e045b017bed380863b6_ppc64le | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:b574ad0711134be333ae87c25dcc910c5f4847ce454779eda9ea0125230777f3_s390x | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:60f97a1218b94ccb0e21bb5677bf906be3369b79ff81fa35050de1f4385027da_ppc64le | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:6dd44adc300558e1a9bee074347bc394e9335de4cab7ca3a32cc8a403cdad5dd_s390x | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:79091d478d6c09140474f2707e4dad555f393c9bdc866d567265b747ad7cc9a4_arm64 | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:82461a011b7698c367b21a0866ac8c73a44fb3d5f21527cb34ed1495383207c2_amd64 | — |
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A flaw was found in golang.org/x/net/html. When arbitrary HTML is parsed and then rendered, it can result in an unexpected HTML tree. This allows an attacker to bypass HTML sanitization mechanisms, leading to Cross-Site Scripting (XSS) attacks in applications. Such attacks can result in information disclosure or arbitrary code execution.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:0e4493d95443c137e4fe2e5b81cdf3d6a9b7b5d74c9162c3f32909a331dc07f2_amd64 | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:5074228e3df2095b082e468b4c99d285203313133e208ca1893b2ae966fbee90_arm64 | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:a16ba6a9cb55a5c6e0743cf8d38742c346c22518e02c1e045b017bed380863b6_ppc64le | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:b574ad0711134be333ae87c25dcc910c5f4847ce454779eda9ea0125230777f3_s390x | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:60f97a1218b94ccb0e21bb5677bf906be3369b79ff81fa35050de1f4385027da_ppc64le | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:6dd44adc300558e1a9bee074347bc394e9335de4cab7ca3a32cc8a403cdad5dd_s390x | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:79091d478d6c09140474f2707e4dad555f393c9bdc866d567265b747ad7cc9a4_arm64 | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:82461a011b7698c367b21a0866ac8c73a44fb3d5f21527cb34ed1495383207c2_amd64 | — |
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A flaw was found in the `crypto/x509` package of `golang`. This vulnerability allows a remote attacker to cause a Denial of Service (DoS) by presenting a specially crafted X.509 certificate with a large number of DNS Subject Alternative Name (SAN) entries. The certificate verification process, specifically the `VerifyHostname` function, incurs excessive computational overhead due to repeated string operations when processing these entries. This can lead to a significant performance degradation or unresponsiveness of systems validating such certificates.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:60f97a1218b94ccb0e21bb5677bf906be3369b79ff81fa35050de1f4385027da_ppc64le | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:6dd44adc300558e1a9bee074347bc394e9335de4cab7ca3a32cc8a403cdad5dd_s390x | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:79091d478d6c09140474f2707e4dad555f393c9bdc866d567265b747ad7cc9a4_arm64 | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:82461a011b7698c367b21a0866ac8c73a44fb3d5f21527cb34ed1495383207c2_amd64 | — |
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| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:0e4493d95443c137e4fe2e5b81cdf3d6a9b7b5d74c9162c3f32909a331dc07f2_amd64 | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:5074228e3df2095b082e468b4c99d285203313133e208ca1893b2ae966fbee90_arm64 | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:a16ba6a9cb55a5c6e0743cf8d38742c346c22518e02c1e045b017bed380863b6_ppc64le | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:b574ad0711134be333ae87c25dcc910c5f4847ce454779eda9ea0125230777f3_s390x | — |
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A flaw was found in gRPC-Go, the Go language implementation of gRPC. This vulnerability, an authorization bypass, is caused by improper input validation of the HTTP/2 `:path` pseudo-header. A remote attacker can exploit this by sending raw HTTP/2 frames with a malformed `:path` that omits the mandatory leading slash. This allows the attacker to bypass defined security policies, potentially leading to unauthorized access to services or information disclosure.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:60f97a1218b94ccb0e21bb5677bf906be3369b79ff81fa35050de1f4385027da_ppc64le | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:6dd44adc300558e1a9bee074347bc394e9335de4cab7ca3a32cc8a403cdad5dd_s390x | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:79091d478d6c09140474f2707e4dad555f393c9bdc866d567265b747ad7cc9a4_arm64 | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:82461a011b7698c367b21a0866ac8c73a44fb3d5f21527cb34ed1495383207c2_amd64 | — |
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| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:0e4493d95443c137e4fe2e5b81cdf3d6a9b7b5d74c9162c3f32909a331dc07f2_amd64 | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:5074228e3df2095b082e468b4c99d285203313133e208ca1893b2ae966fbee90_arm64 | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:a16ba6a9cb55a5c6e0743cf8d38742c346c22518e02c1e045b017bed380863b6_ppc64le | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:b574ad0711134be333ae87c25dcc910c5f4847ce454779eda9ea0125230777f3_s390x | — |
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A flaw was found in the `net/mail` package of the Go programming language. An attacker could provide specially crafted inputs to the `ParseAddress`, `ParseAddressList`, or `ParseDate` functions. This could lead to excessive consumption of CPU and memory resources, resulting in a Denial of Service (DoS) for applications processing these inputs.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:60f97a1218b94ccb0e21bb5677bf906be3369b79ff81fa35050de1f4385027da_ppc64le | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:6dd44adc300558e1a9bee074347bc394e9335de4cab7ca3a32cc8a403cdad5dd_s390x | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:79091d478d6c09140474f2707e4dad555f393c9bdc866d567265b747ad7cc9a4_arm64 | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:82461a011b7698c367b21a0866ac8c73a44fb3d5f21527cb34ed1495383207c2_amd64 | — |
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| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:0e4493d95443c137e4fe2e5b81cdf3d6a9b7b5d74c9162c3f32909a331dc07f2_amd64 | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:5074228e3df2095b082e468b4c99d285203313133e208ca1893b2ae966fbee90_arm64 | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:a16ba6a9cb55a5c6e0743cf8d38742c346c22518e02c1e045b017bed380863b6_ppc64le | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:b574ad0711134be333ae87c25dcc910c5f4847ce454779eda9ea0125230777f3_s390x | — |
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A flaw was found in golang.org/x/net/idna. ToASCII and ToUnicode incorrectly accept Punycode-encoded labels that decode to an ASCII-only hostname (for example, xn--example-.com returns example.com instead of an error). Applications that validate the ASCII form then convert to Unicode may grant access to a restricted hostname the ASCII check would have rejected.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:60f97a1218b94ccb0e21bb5677bf906be3369b79ff81fa35050de1f4385027da_ppc64le | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:6dd44adc300558e1a9bee074347bc394e9335de4cab7ca3a32cc8a403cdad5dd_s390x | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:79091d478d6c09140474f2707e4dad555f393c9bdc866d567265b747ad7cc9a4_arm64 | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:82461a011b7698c367b21a0866ac8c73a44fb3d5f21527cb34ed1495383207c2_amd64 | — |
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| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:0e4493d95443c137e4fe2e5b81cdf3d6a9b7b5d74c9162c3f32909a331dc07f2_amd64 | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:5074228e3df2095b082e468b4c99d285203313133e208ca1893b2ae966fbee90_arm64 | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:a16ba6a9cb55a5c6e0743cf8d38742c346c22518e02c1e045b017bed380863b6_ppc64le | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:b574ad0711134be333ae87c25dcc910c5f4847ce454779eda9ea0125230777f3_s390x | — |
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A flaw was found in golang.org/x/crypto/ssh. A remote attacker could exploit this vulnerability when an SSH server authentication callback returned a PartialSuccessError with non-nil permissions. This flaw caused these permissions to be silently discarded, potentially bypassing certificate restrictions, such as a force-command, after a second authentication factor succeeded. This could lead to unauthorized command execution or access.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:0e4493d95443c137e4fe2e5b81cdf3d6a9b7b5d74c9162c3f32909a331dc07f2_amd64 | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:5074228e3df2095b082e468b4c99d285203313133e208ca1893b2ae966fbee90_arm64 | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:a16ba6a9cb55a5c6e0743cf8d38742c346c22518e02c1e045b017bed380863b6_ppc64le | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:b574ad0711134be333ae87c25dcc910c5f4847ce454779eda9ea0125230777f3_s390x | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:60f97a1218b94ccb0e21bb5677bf906be3369b79ff81fa35050de1f4385027da_ppc64le | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:6dd44adc300558e1a9bee074347bc394e9335de4cab7ca3a32cc8a403cdad5dd_s390x | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:79091d478d6c09140474f2707e4dad555f393c9bdc866d567265b747ad7cc9a4_arm64 | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:82461a011b7698c367b21a0866ac8c73a44fb3d5f21527cb34ed1495383207c2_amd64 | — |
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A flaw was found in golang.org/x/crypto/ssh. A remote malicious SSH peer can exploit this by sending unsolicited global request responses, which fills an internal buffer and blocks the connection's read loop. This prevents the associated resources from being released, leading to a resource leak per connection. The consequence is a Denial of Service (DoS) for the affected system.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:0e4493d95443c137e4fe2e5b81cdf3d6a9b7b5d74c9162c3f32909a331dc07f2_amd64 | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:5074228e3df2095b082e468b4c99d285203313133e208ca1893b2ae966fbee90_arm64 | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:a16ba6a9cb55a5c6e0743cf8d38742c346c22518e02c1e045b017bed380863b6_ppc64le | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:b574ad0711134be333ae87c25dcc910c5f4847ce454779eda9ea0125230777f3_s390x | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:60f97a1218b94ccb0e21bb5677bf906be3369b79ff81fa35050de1f4385027da_ppc64le | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:6dd44adc300558e1a9bee074347bc394e9335de4cab7ca3a32cc8a403cdad5dd_s390x | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:79091d478d6c09140474f2707e4dad555f393c9bdc866d567265b747ad7cc9a4_arm64 | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:82461a011b7698c367b21a0866ac8c73a44fb3d5f21527cb34ed1495383207c2_amd64 | — |
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A flaw was found in the `net/mail` package within the Go standard library. A remote attacker could provide specially crafted, pathological email addresses. When these malformed email addresses are parsed by the `consumePhrase` function, it can lead to excessive resource consumption due to quadratic string concatenation, resulting in a Denial of Service (DoS) condition.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:60f97a1218b94ccb0e21bb5677bf906be3369b79ff81fa35050de1f4385027da_ppc64le | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:6dd44adc300558e1a9bee074347bc394e9335de4cab7ca3a32cc8a403cdad5dd_s390x | — |
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| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:79091d478d6c09140474f2707e4dad555f393c9bdc866d567265b747ad7cc9a4_arm64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:82461a011b7698c367b21a0866ac8c73a44fb3d5f21527cb34ed1495383207c2_amd64 | — |
Vendor Fix
fix
Workaround
|
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:0e4493d95443c137e4fe2e5b81cdf3d6a9b7b5d74c9162c3f32909a331dc07f2_amd64 | — |
Workaround
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|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:5074228e3df2095b082e468b4c99d285203313133e208ca1893b2ae966fbee90_arm64 | — |
Workaround
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|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:a16ba6a9cb55a5c6e0743cf8d38742c346c22518e02c1e045b017bed380863b6_ppc64le | — |
Workaround
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|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:b574ad0711134be333ae87c25dcc910c5f4847ce454779eda9ea0125230777f3_s390x | — |
Workaround
|
A flaw was found in golang.org/x/net/html. This vulnerability allows an attacker to manipulate how HTML is processed and displayed. By providing specially crafted HTML, an attacker can cause an unexpected structure in the rendered output. This can lead to Cross-Site Scripting (XSS) attacks, where malicious scripts are executed in a user's web browser, potentially compromising user data or taking control of their session.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:0e4493d95443c137e4fe2e5b81cdf3d6a9b7b5d74c9162c3f32909a331dc07f2_amd64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:5074228e3df2095b082e468b4c99d285203313133e208ca1893b2ae966fbee90_arm64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:a16ba6a9cb55a5c6e0743cf8d38742c346c22518e02c1e045b017bed380863b6_ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:b574ad0711134be333ae87c25dcc910c5f4847ce454779eda9ea0125230777f3_s390x | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:60f97a1218b94ccb0e21bb5677bf906be3369b79ff81fa35050de1f4385027da_ppc64le | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:6dd44adc300558e1a9bee074347bc394e9335de4cab7ca3a32cc8a403cdad5dd_s390x | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:79091d478d6c09140474f2707e4dad555f393c9bdc866d567265b747ad7cc9a4_arm64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:82461a011b7698c367b21a0866ac8c73a44fb3d5f21527cb34ed1495383207c2_amd64 | — |
Vendor Fix
fix
Workaround
|
A flaw was found in the Golang MIME (Multipurpose Internet Mail Extensions) package. A remote attacker could exploit this vulnerability by sending a maliciously-crafted MIME header containing many invalid encoded-words. This could lead to excessive CPU consumption, resulting in a Denial of Service (DoS) for the affected system.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:60f97a1218b94ccb0e21bb5677bf906be3369b79ff81fa35050de1f4385027da_ppc64le | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:6dd44adc300558e1a9bee074347bc394e9335de4cab7ca3a32cc8a403cdad5dd_s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:79091d478d6c09140474f2707e4dad555f393c9bdc866d567265b747ad7cc9a4_arm64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:82461a011b7698c367b21a0866ac8c73a44fb3d5f21527cb34ed1495383207c2_amd64 | — |
Vendor Fix
fix
Workaround
|
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:0e4493d95443c137e4fe2e5b81cdf3d6a9b7b5d74c9162c3f32909a331dc07f2_amd64 | — |
Workaround
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|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:5074228e3df2095b082e468b4c99d285203313133e208ca1893b2ae966fbee90_arm64 | — |
Workaround
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|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:a16ba6a9cb55a5c6e0743cf8d38742c346c22518e02c1e045b017bed380863b6_ppc64le | — |
Workaround
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|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:b574ad0711134be333ae87c25dcc910c5f4847ce454779eda9ea0125230777f3_s390x | — |
Workaround
|
A flaw was found in golang.org/x/crypto/ssh. Source-address validation can be skipped when an SSH server configuration uses an authentication callback type other than public key, allowing authorization bypass in misconfigured servers. This is a follow-on to incomplete coverage from the CVE-2024-45337 fix.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:60f97a1218b94ccb0e21bb5677bf906be3369b79ff81fa35050de1f4385027da_ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:6dd44adc300558e1a9bee074347bc394e9335de4cab7ca3a32cc8a403cdad5dd_s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:79091d478d6c09140474f2707e4dad555f393c9bdc866d567265b747ad7cc9a4_arm64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:82461a011b7698c367b21a0866ac8c73a44fb3d5f21527cb34ed1495383207c2_amd64 | — |
Vendor Fix
fix
Workaround
|
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:0e4493d95443c137e4fe2e5b81cdf3d6a9b7b5d74c9162c3f32909a331dc07f2_amd64 | — |
Workaround
|
|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:5074228e3df2095b082e468b4c99d285203313133e208ca1893b2ae966fbee90_arm64 | — |
Workaround
|
|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:a16ba6a9cb55a5c6e0743cf8d38742c346c22518e02c1e045b017bed380863b6_ppc64le | — |
Workaround
|
|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:b574ad0711134be333ae87c25dcc910c5f4847ce454779eda9ea0125230777f3_s390x | — |
Workaround
|
A flaw was found in golang.org/x/crypto/ssh. A remote attacker could send specially crafted inputs to the AES-GCM packet decoder. This could lead to an incorrectly placed cast from bytes to an integer, causing a server-side panic and resulting in a Denial of Service (DoS) for the affected system.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:0e4493d95443c137e4fe2e5b81cdf3d6a9b7b5d74c9162c3f32909a331dc07f2_amd64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:5074228e3df2095b082e468b4c99d285203313133e208ca1893b2ae966fbee90_arm64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:a16ba6a9cb55a5c6e0743cf8d38742c346c22518e02c1e045b017bed380863b6_ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:b574ad0711134be333ae87c25dcc910c5f4847ce454779eda9ea0125230777f3_s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:60f97a1218b94ccb0e21bb5677bf906be3369b79ff81fa35050de1f4385027da_ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:6dd44adc300558e1a9bee074347bc394e9335de4cab7ca3a32cc8a403cdad5dd_s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:79091d478d6c09140474f2707e4dad555f393c9bdc866d567265b747ad7cc9a4_arm64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Cert Manager support for Red Hat OpenShift release 1.19:registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:82461a011b7698c367b21a0866ac8c73a44fb3d5f21527cb34ed1495383207c2_amd64 | — |
Vendor Fix
fix
Workaround
|
{
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"text": "Important"
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{
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"cwe": {
"id": "CWE-79",
"name": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)"
},
"discovery_date": "2026-05-22T16:01:08.177603+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2480761"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in golang.org/x/net/html. A remote attacker could exploit this vulnerability by providing specially crafted HTML. When this arbitrary HTML is parsed and rendered, it can result in an unexpected HTML tree, bypassing input sanitization. This can be leveraged to execute Cross-Site Scripting (XSS) attacks, potentially leading to arbitrary code execution in applications that use the affected component.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "golang.org/x/net/html: golang.org/x/net/html: Arbitrary code execution via Cross-Site Scripting",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This Important vulnerability in `golang.org/x/net/html` could enable remote attackers to execute Cross-Site Scripting (XSS) attacks, potentially leading to arbitrary code execution. The flaw allows specially crafted HTML to bypass input sanitization during parsing and rendering. Red Hat products are affected if they process untrusted HTML content using the vulnerable component without additional output encoding or robust content security policies.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-25681"
},
{
"category": "external",
"summary": "RHBZ#2480761",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2480761"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-25681",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-25681"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-25681",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-25681"
},
{
"category": "external",
"summary": "https://go.dev/cl/781703",
"url": "https://go.dev/cl/781703"
},
{
"category": "external",
"summary": "https://go.dev/issue/79574",
"url": "https://go.dev/issue/79574"
},
{
"category": "external",
"summary": "https://groups.google.com/g/golang-announce/c/iI-mYSI0lu8",
"url": "https://groups.google.com/g/golang-announce/c/iI-mYSI0lu8"
},
{
"category": "external",
"summary": "https://pkg.go.dev/vuln/GO-2026-5029",
"url": "https://pkg.go.dev/vuln/GO-2026-5029"
}
],
"release_date": "2026-05-22T15:01:21.975000+00:00",
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"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 8.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N",
"version": "3.1"
},
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},
{
"cve": "CVE-2026-27136",
"cwe": {
"id": "CWE-79",
"name": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)"
},
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}
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{
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"title": "Vulnerability description"
},
{
"category": "summary",
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"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This vulnerability in `golang.org/x/net/html` is rated as Important. It allows for Cross-Site Scripting (XSS) attacks by enabling an attacker to bypass HTML sanitization mechanisms when arbitrary HTML is parsed and rendered. This can lead to information disclosure or arbitrary code execution in affected applications. Exploitation typically requires user interaction, where a user processes specially crafted malicious HTML content.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
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"privilegesRequired": "NONE",
"scope": "UNCHANGED",
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"version": "3.1"
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{
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"title": "Vulnerability description"
},
{
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"text": "crypto/x509: golang: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "A flaw was found in the Go standard library crypto/x509 package. When verifying a TLS certificate hostname, VerifyHostname processed each DNS Subject Alternative Name (SAN) entry in a loop and repeatedly split the candidate hostname on \".\" characters. For certificates with a very large DNS SAN list, CPU use could grow quadratically with the number of SAN entries and hostname labels. Because hostname verification runs before the certificate chain is built, this overhead can occur even when the certificate is not trusted.\n\nRed Hat rates this issue as Important. It affects Red Hat products that include the Go standard library crypto/x509 code from an affected Go toolchain version (before Go 1.25.11, or from Go 1.26.0 through Go 1.26.3). Applications and container images built with a fixed Go release (1.25.11 or later, or 1.26.4 or later) are not affected. Community distributions such as Fedora are also affected.\n\nUpstream fix: Go 1.25.11 and Go 1.26.4 (GO-2026-5037).",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
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"cvss_v3": {
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"scope": "UNCHANGED",
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"category": "impact",
"details": "Important"
}
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"title": "crypto/x509: golang: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries"
},
{
"cve": "CVE-2026-33186",
"cwe": {
"id": "CWE-551",
"name": "Incorrect Behavior Order: Authorization Before Parsing and Canonicalization"
},
"discovery_date": "2026-03-20T23:02:27.802640+00:00",
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"system_name": "Red Hat Bugzilla ID",
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}
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{
"category": "description",
"text": "A flaw was found in gRPC-Go, the Go language implementation of gRPC. This vulnerability, an authorization bypass, is caused by improper input validation of the HTTP/2 `:path` pseudo-header. A remote attacker can exploit this by sending raw HTTP/2 frames with a malformed `:path` that omits the mandatory leading slash. This allows the attacker to bypass defined security policies, potentially leading to unauthorized access to services or information disclosure.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "google.golang.org/grpc/grpc-go: google.golang.org/grpc/authz: gRPC-Go: Authorization bypass due to improper HTTP/2 path validation",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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{
"category": "external",
"summary": "RHBZ#2449833",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2449833"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-33186",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-33186"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-33186",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33186"
},
{
"category": "external",
"summary": "https://github.com/grpc/grpc-go/security/advisories/GHSA-p77j-4mvh-x3m3",
"url": "https://github.com/grpc/grpc-go/security/advisories/GHSA-p77j-4mvh-x3m3"
}
],
"release_date": "2026-03-20T22:23:32.147000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-08-13T10:51:40+00:00",
"details": "Before applying this update, make sure all previously released errata relevant to your system have been applied.\n\nThe steps to apply the upgraded images are different depending on the installation plan approval policy you used\nwhen installing the cert-manager Operator for Red Hat OpenShift.\n\n- If the approval policy is set to `Automatic`, then the Operator will be upgraded automatically when there is a\nnew version of the Operator. No further action is required to upgrade. This is the default setting.\n\n- If you changed the approval policy to `Manual`, then you must manually approve the upgrade to the Operator.\n\nSee https://docs.openshift.com/container-platform/latest/security/cert_manager_operator/index.html for additional\ninformation.",
"product_ids": [
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"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:54531"
},
{
"category": "workaround",
"details": "To mitigate this issue, implement infrastructure-level normalization to ensure all incoming HTTP/2 `:path` headers are properly formatted with a leading slash before reaching the gRPC-Go server. This can be achieved by configuring a reverse proxy or API gateway to validate and normalize the `:path` header. Ensure that any such intermediary is properly configured and restarted to apply the changes, which may temporarily impact service availability.",
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"scores": [
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"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
"version": "3.1"
},
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"title": "google.golang.org/grpc/grpc-go: google.golang.org/grpc/authz: gRPC-Go: Authorization bypass due to improper HTTP/2 path validation"
},
{
"cve": "CVE-2026-39820",
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"id": "CWE-606",
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"ids": [
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"system_name": "Red Hat Bugzilla ID",
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"notes": [
{
"category": "description",
"text": "A flaw was found in the `net/mail` package of the Go programming language. An attacker could provide specially crafted inputs to the `ParseAddress`, `ParseAddressList`, or `ParseDate` functions. This could lead to excessive consumption of CPU and memory resources, resulting in a Denial of Service (DoS) for applications processing these inputs.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "net/mail: golang: Go net/mail: Denial of Service via crafted email inputs",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This is an Important denial of service vulnerability in the Go `net/mail` package. Applications processing untrusted email inputs via `ParseAddress`, `ParseAddressList`, or `ParseDate` functions are susceptible to excessive resource consumption, which can lead to service unavailability.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
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},
{
"category": "external",
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"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39820"
},
{
"category": "external",
"summary": "https://go.dev/cl/759940",
"url": "https://go.dev/cl/759940"
},
{
"category": "external",
"summary": "https://go.dev/issue/78566",
"url": "https://go.dev/issue/78566"
},
{
"category": "external",
"summary": "https://groups.google.com/g/golang-announce/c/qcCIEXso47M",
"url": "https://groups.google.com/g/golang-announce/c/qcCIEXso47M"
},
{
"category": "external",
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"title": "Vulnerability description"
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{
"category": "summary",
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"title": "Vulnerability summary"
},
{
"category": "other",
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"title": "Statement"
},
{
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"category": "external",
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{
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"release_date": "2026-05-22T15:01:21.462000+00:00",
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},
{
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{
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},
{
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"text": "This is an Important security flaw in the `golang.org/x/crypto/ssh` library. When an SSH server utilizing this library is configured with specific authentication callbacks that return a `PartialSuccessError` with non-nil permissions, an attacker could bypass intended certificate restrictions, such as `force-command`. This bypass could lead to unauthorized command execution or access on affected Red Hat systems configured with multi-factor authentication and certificate-based access controls.",
"title": "Statement"
},
{
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},
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"category": "external",
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"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39828"
},
{
"category": "external",
"summary": "https://go.dev/cl/781621",
"url": "https://go.dev/cl/781621"
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"category": "external",
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"url": "https://go.dev/issue/79562"
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{
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},
{
"cve": "CVE-2026-39830",
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"ids": [
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{
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"title": "Vulnerability description"
},
{
"category": "summary",
"text": "golang.org/x/crypto/ssh: golang.org/x/crypto/ssh: Denial of Service via resource leak from unsolicited SSH responses",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This is an Important denial of service flaw in `golang.org/x/crypto/ssh`. A remote, unauthenticated attacker can exploit this vulnerability by sending unsolicited global request responses to an affected SSH server, leading to resource exhaustion and a denial of service. The impact is considered Important due to the potential for unauthenticated remote disruption of services utilizing the vulnerable SSH library.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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{
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{
"category": "description",
"text": "A flaw was found in the `net/mail` package within the Go standard library. A remote attacker could provide specially crafted, pathological email addresses. When these malformed email addresses are parsed by the `consumePhrase` function, it can lead to excessive resource consumption due to quadratic string concatenation, resulting in a Denial of Service (DoS) condition.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "net/mail: golang: net/mail: Denial of Service via pathological email address parsing",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This is an Important denial of service vulnerability in the `net/mail` package of the Go standard library. A remote attacker can exploit this flaw by sending specially crafted email addresses, leading to excessive resource consumption and a denial of service in Go applications that parse email addresses using the affected library.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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"category": "impact",
"details": "Important"
}
],
"title": "net/mail: golang: net/mail: Denial of Service via pathological email address parsing"
},
{
"cve": "CVE-2026-42502",
"cwe": {
"id": "CWE-79",
"name": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)"
},
"discovery_date": "2026-05-22T16:01:11.151484+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
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}
],
"notes": [
{
"category": "description",
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"title": "Vulnerability description"
},
{
"category": "summary",
"text": "golang.org/x/net/html: golang: golang.org/x/net/html: Cross-Site Scripting via unexpected HTML tree rendering",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "A flaw in golang.org/x/net/html can lead to Cross-Site Scripting (XSS) in applications that parse and render untrusted HTML, even with sanitization attempts. This is due to an unexpected HTML tree structure, allowing malicious scripts to execute in a user\u0027s browser.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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"category": "impact",
"details": "Moderate"
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"title": "golang.org/x/net/html: golang: golang.org/x/net/html: Cross-Site Scripting via unexpected HTML tree rendering"
},
{
"cve": "CVE-2026-42504",
"cwe": {
"id": "CWE-1050",
"name": "Excessive Platform Resource Consumption within a Loop"
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{
"category": "description",
"text": "A flaw was found in the Golang MIME (Multipurpose Internet Mail Extensions) package. A remote attacker could exploit this vulnerability by sending a maliciously-crafted MIME header containing many invalid encoded-words. This could lead to excessive CPU consumption, resulting in a Denial of Service (DoS) for the affected system.",
"title": "Vulnerability description"
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{
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"text": "mime: golang: Golang MIME: Denial of Service via maliciously-crafted MIME header",
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},
{
"category": "other",
"text": "This is rated as an Important severity flaw. A remote attacker could trigger a Denial of Service by sending a crafted MIME header with numerous invalid encoded-words to an application utilizing the affected Golang MIME package. This could lead to excessive CPU consumption on the system processing the malformed header, impacting service availability.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
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{
"category": "external",
"summary": "https://go.dev/cl/774481",
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"category": "external",
"summary": "https://go.dev/issue/79217",
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"category": "external",
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{
"category": "external",
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{
"category": "workaround",
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{
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"title": "Vulnerability description"
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{
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},
{
"category": "other",
"text": "golang.org/x/crypto/ssh is vulnerable to authorization bypass when SSH server configurations rely on source-address validation alongside non-public-key authentication callbacks. An attacker with low privileges who can authenticate through such a callback path may bypass intended source-address restrictions and gain unauthorized SSH access. Red Hat impact sits in services built with affected x/crypto/ssh, including RHEL golang streams, hummingbird Go toolchains, RHACM/MCE agents, and OpenShift or Ceph components that embed Go SSH servers with mixed callback types.",
"title": "Statement"
},
{
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}
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{
"category": "impact",
"details": "Important"
}
],
"title": "golang.org/x/crypto/ssh: golang.org/x/crypto/ssh: Authorization bypass due to skipped source-address validation"
},
{
"cve": "CVE-2026-46597",
"cwe": {
"id": "CWE-681",
"name": "Incorrect Conversion between Numeric Types"
},
"discovery_date": "2026-05-22T04:01:21.721980+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2480678"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in golang.org/x/crypto/ssh. A remote attacker could send specially crafted inputs to the AES-GCM packet decoder. This could lead to an incorrectly placed cast from bytes to an integer, causing a server-side panic and resulting in a Denial of Service (DoS) for the affected system.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "golang.org/x/crypto/ssh: golang.org/x/crypto/ssh: Denial of Service via crafted AES-GCM packet decoder inputs",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This Important denial of service flaw in `golang.org/x/crypto/ssh` allows a remote attacker to trigger a server-side panic by sending specially crafted inputs to the AES-GCM packet decoder. This vulnerability could lead to service unavailability in Red Hat products that incorporate and expose SSH services built with the affected `golang.org/x/crypto/ssh` component.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
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]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-46597"
},
{
"category": "external",
"summary": "RHBZ#2480678",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2480678"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-46597",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-46597"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-46597",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46597"
},
{
"category": "external",
"summary": "https://go.dev/cl/781620",
"url": "https://go.dev/cl/781620"
},
{
"category": "external",
"summary": "https://go.dev/issue/79561",
"url": "https://go.dev/issue/79561"
},
{
"category": "external",
"summary": "https://groups.google.com/g/golang-announce/c/a082jnz-LvI",
"url": "https://groups.google.com/g/golang-announce/c/a082jnz-LvI"
},
{
"category": "external",
"summary": "https://pkg.go.dev/vuln/GO-2026-5013",
"url": "https://pkg.go.dev/vuln/GO-2026-5013"
}
],
"release_date": "2026-05-22T02:31:26.754000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-08-13T10:51:40+00:00",
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"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:54531"
},
{
"category": "workaround",
"details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.",
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"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
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"threats": [
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"category": "impact",
"details": "Important"
}
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"title": "golang.org/x/crypto/ssh: golang.org/x/crypto/ssh: Denial of Service via crafted AES-GCM packet decoder inputs"
}
]
}
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.