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Vulnerability from cleanstart
Published
2026-01-30 16:37
Modified
2026-01-29 18:58
Summary
excluded subdomain constraint in a certificate chain does not restrict the usage of wildcard SANs in the leaf certificate
Details
Multiple security vulnerabilities affect the elastic-beats-fips package. An excluded subdomain constraint in a certificate chain does not restrict the usage of wildcard SANs in the leaf certificate. See references for individual vulnerability details.
{
"affected": [
{
"package": {
"ecosystem": "CleanStart",
"name": "elastic-beats-fips"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "9.2.2-r0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"credits": [],
"database_specific": {},
"details": "Multiple security vulnerabilities affect the elastic-beats-fips package. An excluded subdomain constraint in a certificate chain does not restrict the usage of wildcard SANs in the leaf certificate. See references for individual vulnerability details.",
"id": "CLEANSTART-2026-IY17697",
"modified": "2026-01-29T18:58:54Z",
"published": "2026-01-30T16:37:55.497960Z",
"references": [
{
"type": "ADVISORY",
"url": "https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-IY17697.json"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2025-47913"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2025-61727"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2025-61729"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/GHSA-32fw-gq77-f2f2"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/GHSA-f6x5-jh6r-wrfv"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/GHSA-j5w8-q4qc-rx2x"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-47913"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-61727"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-61729"
}
],
"related": [],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
],
"summary": "excluded subdomain constraint in a certificate chain does not restrict the usage of wildcard SANs in the leaf certificate",
"upstream": [
"CVE-2025-47913",
"CVE-2025-61727",
"CVE-2025-61729",
"GHSA-32fw-gq77-f2f2",
"GHSA-f6x5-jh6r-wrfv",
"GHSA-j5w8-q4qc-rx2x"
]
}
CVE-2025-47913 (GCVE-0-2025-47913)
Vulnerability from cvelistv5 – Published: 2025-11-13 21:29 – Updated: 2025-12-16 16:43
VLAI?
EPSS
Title
Potential denial of service in golang.org/x/crypto/ssh/agent
Summary
SSH clients receiving SSH_AGENT_SUCCESS when expecting a typed response will panic and cause early termination of the client process.
Severity ?
7.5 (High)
CWE
- CWE-703 - Improper Handling of Exceptional Conditions
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| golang.org/x/crypto | golang.org/x/crypto/ssh/agent |
Affected:
0 , < 0.43.0
(semver)
|
Credits
Jakub Ciolek
Nicola Murino
{
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"title": "CISA ADP Vulnrichment"
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{
"collectionURL": "https://pkg.go.dev",
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"programRoutines": [
{
"name": "client.SignWithFlags"
},
{
"name": "client.List"
},
{
"name": "agentKeyringSigner.Sign"
},
{
"name": "agentKeyringSigner.SignWithAlgorithm"
},
{
"name": "client.Sign"
},
{
"name": "client.Signers"
}
],
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},
{
"url": "https://go.dev/issue/75178"
},
{
"url": "https://github.com/advisories/GHSA-56w8-48fp-6mgv"
},
{
"url": "https://pkg.go.dev/vuln/GO-2025-4116"
}
],
"title": "Potential denial of service in golang.org/x/crypto/ssh/agent"
}
},
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"dateReserved": "2025-05-13T23:31:29.597Z",
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"state": "PUBLISHED"
},
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"dataVersion": "5.2"
}
CVE-2025-61729 (GCVE-0-2025-61729)
Vulnerability from cvelistv5 – Published: 2025-12-02 18:54 – Updated: 2025-12-03 19:37
VLAI?
EPSS
Title
Excessive resource consumption when printing error string for host certificate validation in crypto/x509
Summary
Within HostnameError.Error(), when constructing an error string, there is no limit to the number of hosts that will be printed out. Furthermore, the error string is constructed by repeated string concatenation, leading to quadratic runtime. Therefore, a certificate provided by a malicious actor can result in excessive resource consumption.
Severity ?
7.5 (High)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Go standard library | crypto/x509 |
Affected:
0 , < 1.24.11
(semver)
Affected: 1.25.0 , < 1.25.5 (semver) |
Credits
Philippe Antoine (Catena cyber)
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"title": "CISA ADP Vulnrichment"
}
],
"cna": {
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{
"collectionURL": "https://pkg.go.dev",
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"packageName": "crypto/x509",
"product": "crypto/x509",
"programRoutines": [
{
"name": "Certificate.VerifyHostname"
},
{
"name": "Certificate.Verify"
}
],
"vendor": "Go standard library",
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"lessThan": "1.24.11",
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},
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"status": "affected",
"version": "1.25.0",
"versionType": "semver"
}
]
}
],
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}
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}
],
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},
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"url": "https://go.dev/issue/76445"
},
{
"url": "https://groups.google.com/g/golang-announce/c/8FJoBkPddm4"
},
{
"url": "https://pkg.go.dev/vuln/GO-2025-4155"
}
],
"title": "Excessive resource consumption when printing error string for host certificate validation in crypto/x509"
}
},
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CVE-2025-61727 (GCVE-0-2025-61727)
Vulnerability from cvelistv5 – Published: 2025-12-03 19:37 – Updated: 2025-12-03 22:06
VLAI?
EPSS
Title
Improper application of excluded DNS name constraints when verifying wildcard names in crypto/x509
Summary
An excluded subdomain constraint in a certificate chain does not restrict the usage of wildcard SANs in the leaf certificate. For example a constraint that excludes the subdomain test.example.com does not prevent a leaf certificate from claiming the SAN *.example.com.
Severity ?
6.5 (Medium)
CWE
- CWE-295 - Improper Certificate Validation
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Go standard library | crypto/x509 |
Affected:
0 , < 1.24.11
(semver)
Affected: 1.25.0 , < 1.25.5 (semver) |
{
"containers": {
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"attackVector": "NETWORK",
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"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
"version": "3.1"
}
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"timestamp": "2025-12-03T22:06:13.958433Z",
"version": "2.0.3"
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"type": "ssvc"
}
}
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"collectionURL": "https://pkg.go.dev",
"defaultStatus": "unaffected",
"packageName": "crypto/x509",
"product": "crypto/x509",
"programRoutines": [
{
"name": "Certificate.Verify"
}
],
"vendor": "Go standard library",
"versions": [
{
"lessThan": "1.24.11",
"status": "affected",
"version": "0",
"versionType": "semver"
},
{
"lessThan": "1.25.5",
"status": "affected",
"version": "1.25.0",
"versionType": "semver"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "An excluded subdomain constraint in a certificate chain does not restrict the usage of wildcard SANs in the leaf certificate. For example a constraint that excludes the subdomain test.example.com does not prevent a leaf certificate from claiming the SAN *.example.com."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-295: Improper Certificate Validation",
"lang": "en"
}
]
}
],
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},
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"url": "https://go.dev/issue/76442"
},
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"url": "https://groups.google.com/g/golang-announce/c/8FJoBkPddm4"
},
{
"url": "https://pkg.go.dev/vuln/GO-2025-4175"
}
],
"title": "Improper application of excluded DNS name constraints when verifying wildcard names in crypto/x509"
}
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GHSA-32FW-GQ77-F2F2
Vulnerability from github – Published: 2025-12-02 09:30 – Updated: 2025-12-17 00:43
VLAI?
Summary
Eclipse Paho Go MQTT may incorrectly encode strings if length exceeds 65535 bytes
Details
In Eclipse Paho Go MQTT v3.1 library (paho.mqtt.golang) versions <=1.5.0 UTF-8 encoded strings, passed into the library, may be incorrectly encoded if their length exceeds 65535 bytes. This may lead to unexpected content in packets sent to the server (for example, part of an MQTT topic may leak into the message body in a PUBLISH packet).
The issue arises because the length of the data passed in was converted from an int64/int32 (depending upon CPU) to an int16 without checks for overflows. The int16 length was then written, followed by the data (e.g. topic). This meant that when the data (e.g. topic) was over 65535 bytes then the amount of data written exceeds what the length field indicates. This could lead to a corrupt packet, or mean that the excess data leaks into another field (e.g. topic leaks into message body).
Severity ?
{
"affected": [
{
"package": {
"ecosystem": "Go",
"name": "github.com/eclipse/paho.mqtt.golang"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.5.1"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2025-10543"
],
"database_specific": {
"cwe_ids": [
"CWE-197"
],
"github_reviewed": true,
"github_reviewed_at": "2025-12-02T17:34:33Z",
"nvd_published_at": "2025-12-02T09:15:46Z",
"severity": "MODERATE"
},
"details": "In Eclipse Paho Go MQTT v3.1 library (paho.mqtt.golang) versions \u003c=1.5.0 UTF-8 encoded strings, passed into the library, may be incorrectly encoded if their length exceeds 65535 bytes. This may lead to unexpected content in packets sent to the server (for example, part of an MQTT topic may leak into the message body in a PUBLISH packet).\n\nThe issue arises because the length of the data passed in was converted from an int64/int32 (depending upon CPU) to an int16 without checks for overflows. The int16 length was then written, followed by the data (e.g. topic). This meant that when the data (e.g. topic) was over 65535 bytes then the amount of data written exceeds what the length field indicates. This could lead to a corrupt packet, or mean that the excess data leaks into another field (e.g. topic leaks into message body).",
"id": "GHSA-32fw-gq77-f2f2",
"modified": "2025-12-17T00:43:02Z",
"published": "2025-12-02T09:30:26Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-10543"
},
{
"type": "WEB",
"url": "https://github.com/eclipse-paho/paho.mqtt.golang/issues/730"
},
{
"type": "WEB",
"url": "https://github.com/eclipse-paho/paho.mqtt.golang/pull/714"
},
{
"type": "WEB",
"url": "https://github.com/alpinelinux/build-server-status/commit/e3487897db32c8c3d0287643f8384a6669e93731"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-32fw-gq77-f2f2"
},
{
"type": "PACKAGE",
"url": "https://github.com/eclipse-paho/paho.mqtt.golang"
},
{
"type": "WEB",
"url": "https://gitlab.eclipse.org/security/vulnerability-reports/-/issues/254"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
}
],
"summary": "Eclipse Paho Go MQTT may incorrectly encode strings if length exceeds 65535 bytes"
}
GHSA-J5W8-Q4QC-RX2X
Vulnerability from github – Published: 2025-11-19 23:01 – Updated: 2025-11-19 23:01
VLAI?
Summary
golang.org/x/crypto/ssh allows an attacker to cause unbounded memory consumption
Details
SSH servers parsing GSSAPI authentication requests do not validate the number of mechanisms specified in the request, allowing an attacker to cause unbounded memory consumption.
Severity ?
5.3 (Medium)
{
"affected": [
{
"package": {
"ecosystem": "Go",
"name": "golang.org/x/crypto"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.45.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2025-58181"
],
"database_specific": {
"cwe_ids": [
"CWE-770"
],
"github_reviewed": true,
"github_reviewed_at": "2025-11-19T23:01:20Z",
"nvd_published_at": "2025-11-19T21:15:50Z",
"severity": "MODERATE"
},
"details": "SSH servers parsing GSSAPI authentication requests do not validate the number of mechanisms specified in the request, allowing an attacker to cause unbounded memory consumption.",
"id": "GHSA-j5w8-q4qc-rx2x",
"modified": "2025-11-19T23:01:20Z",
"published": "2025-11-19T23:01:20Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-58181"
},
{
"type": "WEB",
"url": "https://go.dev/cl/721961"
},
{
"type": "WEB",
"url": "https://go.dev/issue/76363"
},
{
"type": "WEB",
"url": "https://groups.google.com/g/golang-announce/c/w-oX3UxNcZA"
},
{
"type": "WEB",
"url": "https://pkg.go.dev/vuln/GO-2025-4134"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
}
],
"summary": "golang.org/x/crypto/ssh allows an attacker to cause unbounded memory consumption"
}
GHSA-F6X5-JH6R-WRFV
Vulnerability from github – Published: 2025-11-19 23:16 – Updated: 2025-11-20 16:35
VLAI?
Summary
golang.org/x/crypto/ssh/agent vulnerable to panic if message is malformed due to out of bounds read
Details
SSH Agent servers do not validate the size of messages when processing new identity requests, which may cause the program to panic if the message is malformed due to an out of bounds read.
Severity ?
5.3 (Medium)
{
"affected": [
{
"package": {
"ecosystem": "Go",
"name": "golang.org/x/crypto"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.45.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2025-47914"
],
"database_specific": {
"cwe_ids": [
"CWE-125"
],
"github_reviewed": true,
"github_reviewed_at": "2025-11-19T23:16:40Z",
"nvd_published_at": "2025-11-19T21:15:50Z",
"severity": "MODERATE"
},
"details": "SSH Agent servers do not validate the size of messages when processing new identity requests, which may cause the program to panic if the message is malformed due to an out of bounds read.",
"id": "GHSA-f6x5-jh6r-wrfv",
"modified": "2025-11-20T16:35:18Z",
"published": "2025-11-19T23:16:40Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-47914"
},
{
"type": "WEB",
"url": "https://go.dev/cl/721960"
},
{
"type": "WEB",
"url": "https://go.dev/issue/76364"
},
{
"type": "WEB",
"url": "https://go.googlesource.com/crypto"
},
{
"type": "WEB",
"url": "https://groups.google.com/g/golang-announce/c/w-oX3UxNcZA"
},
{
"type": "WEB",
"url": "https://pkg.go.dev/vuln/GO-2025-4135"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
}
],
"summary": "golang.org/x/crypto/ssh/agent vulnerable to panic if message is malformed due to out of bounds read"
}
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Sightings
| Author | Source | Type | Date |
|---|
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.
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