rhsa-2025:15717
Vulnerability from csaf_redhat
Published
2025-09-11 19:39
Modified
2025-10-23 23:58
Summary
Red Hat Security Advisory: Red Hat Single Sign-On 7.6.12 security update
Notes
Topic
A new security update is now available for Red Hat Single Sign-On 7.6 from the Customer Portal.
Details
Red Hat Single Sign-On 7.6 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications.
This update to Red Hat Single Sign-On 7.6.12 includes a security update with important impact.
Security fixes:
* jackson-core: jackson-core Potential StackoverflowError (CVE-2025-52999)
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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"notes": [
{
"category": "summary",
"text": "A new security update is now available for Red Hat Single Sign-On 7.6 from the Customer Portal.",
"title": "Topic"
},
{
"category": "general",
"text": "Red Hat Single Sign-On 7.6 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications.\n\nThis update to Red Hat Single Sign-On 7.6.12 includes a security update with important impact.\n\nSecurity fixes:\n* jackson-core: jackson-core Potential StackoverflowError (CVE-2025-52999)",
"title": "Details"
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{
"category": "legal_disclaimer",
"text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
"title": "Terms of Use"
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"references": [
{
"category": "self",
"summary": "https://access.redhat.com/errata/RHSA-2025:15717",
"url": "https://access.redhat.com/errata/RHSA-2025:15717"
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2374804"
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"url": "https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_15717.json"
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],
"title": "Red Hat Security Advisory: Red Hat Single Sign-On 7.6.12 security update",
"tracking": {
"current_release_date": "2025-10-23T23:58:43+00:00",
"generator": {
"date": "2025-10-23T23:58:43+00:00",
"engine": {
"name": "Red Hat SDEngine",
"version": "4.6.9"
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"id": "RHSA-2025:15717",
"initial_release_date": "2025-09-11T19:39:47+00:00",
"revision_history": [
{
"date": "2025-09-11T19:39:47+00:00",
"number": "1",
"summary": "Initial version"
},
{
"date": "2025-09-11T19:39:47+00:00",
"number": "2",
"summary": "Last updated version"
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{
"date": "2025-10-23T23:58:43+00:00",
"number": "3",
"summary": "Last generated version"
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],
"status": "final",
"version": "3"
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"product_tree": {
"branches": [
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"branches": [
{
"branches": [
{
"category": "product_name",
"name": "Red Hat Single Sign-On 7.6.12",
"product": {
"name": "Red Hat Single Sign-On 7.6.12",
"product_id": "Red Hat Single Sign-On 7.6.12",
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"vulnerabilities": [
{
"cve": "CVE-2025-52999",
"cwe": {
"id": "CWE-121",
"name": "Stack-based Buffer Overflow"
},
"discovery_date": "2025-06-25T18:00:54.693716+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2374804"
}
],
"notes": [
{
"category": "description",
"text": "A nested data handling flaw was found in Jackson Core. When parsing particularly deeply nested data structures, a StackoverflowError can occur.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "com.fasterxml.jackson.core/jackson-core: jackson-core Potential StackoverflowError",
"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"
}
],
"product_status": {
"fixed": [
"Red Hat Single Sign-On 7.6.12"
]
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2025-52999"
},
{
"category": "external",
"summary": "RHBZ#2374804",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2374804"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2025-52999",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-52999"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-52999",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-52999"
},
{
"category": "external",
"summary": "https://github.com/FasterXML/jackson-core/pull/943",
"url": "https://github.com/FasterXML/jackson-core/pull/943"
},
{
"category": "external",
"summary": "https://github.com/FasterXML/jackson-core/security/advisories/GHSA-h46c-h94j-95f3",
"url": "https://github.com/FasterXML/jackson-core/security/advisories/GHSA-h46c-h94j-95f3"
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],
"release_date": "2025-06-25T17:02:57.428000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2025-09-11T19:39:47+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
"product_ids": [
"Red Hat Single Sign-On 7.6.12"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2025:15717"
},
{
"category": "workaround",
"details": "To mitigate this vulnerability, the recommendation is to avoid parsing input files from untrusted sources that may have excessively deep nested data structures; anything with a depth over 1000.",
"product_ids": [
"Red Hat Single Sign-On 7.6.12"
]
}
],
"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"
},
"products": [
"Red Hat Single Sign-On 7.6.12"
]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "com.fasterxml.jackson.core/jackson-core: jackson-core Potential StackoverflowError"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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