RHSA-2026:9684
Vulnerability from csaf_redhat - Published: 2026-04-23 16:07 - Updated: 2026-06-01 01:16Summary
Red Hat Security Advisory: OpenJDK 8u492 Security Update for Portable Linux Builds
Severity
Important
Notes
Topic: An update is now available for OpenJDK.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details: The OpenJDK 8 packages provide the OpenJDK 8 Java Runtime Environment and the OpenJDK 8 Java Software Development Kit.
This release of the Red Hat build of OpenJDK 8 (8u492) for portable Linux serves as a replacement for Red Hat build of OpenJDK 8 (8u482) and includes security and bug fixes as well as enhancements. For further information, refer to the release notes linked to in the References section.
Security Fix(es):
* JDK: Enhance crypto algorithm support (CVE-2026-22007)
* JDK: Improve Kerberos credentialing (CVE-2026-22013)
* JDK: Enhance Path Factories Redux (CVE-2026-22016)
* JDK: Enhance Zip file reading (CVE-2026-22018)
* JDK: Enhance certificate chain validation (CVE-2026-22021)
* JDK: Updating FreeType 2.14.1 (CVE-2026-23865)
* JDK: Enhance key generation (CVE-2026-34268)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
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.
No description is available for this CVE.
5.3 (Medium)
Affected products
Fixed
1 product
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Red Hat Build of OpenJDK 8u492
Red Hat / OpenJDK
|
cpe:/a:redhat:openjdk:1.8
|
— |
Vendor Fix
fix
|
Threats
Impact
Moderate
No description is available for this CVE.
7.5 (High)
Affected products
Fixed
1 product
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Red Hat Build of OpenJDK 8u492
Red Hat / OpenJDK
|
cpe:/a:redhat:openjdk:1.8
|
— |
Vendor Fix
fix
|
Threats
Impact
Important
A flaw was found in Freetype. An integer overflow vulnerability exists when processing specially crafted OpenType variable fonts. A local attacker could exploit this by convincing a user to open a malicious font file, which may lead to an out-of-bounds read and potential information disclosure or denial of service.
5.3 (Medium)
Affected products
Fixed
1 product
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Red Hat Build of OpenJDK 8u492
Red Hat / OpenJDK
|
cpe:/a:redhat:openjdk:1.8
|
— |
Vendor Fix
fix
|
Threats
Impact
Moderate
References
36 references
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"availabilityImpact": "LOW",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"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:L",
"version": "3.1"
},
"products": [
"Red Hat Build of OpenJDK 8u492"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "openjdk: Enhance certificate chain validation (Oracle CPU 2026-04)"
},
{
"cve": "CVE-2026-23865",
"discovery_date": "2026-03-02T17:01:54.514540+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2443891"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in Freetype. An integer overflow vulnerability exists when processing specially crafted OpenType variable fonts. A local attacker could exploit this by convincing a user to open a malicious font file, which may lead to an out-of-bounds read and potential information disclosure or denial of service.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "freetype: Information disclosure or denial of service via specially crafted font files",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This is a MODERATE impact vulnerability. An integer overflow in the Freetype library can lead to an out-of-bounds read when processing specially crafted OpenType variable fonts. Exploitation requires user interaction, such as opening a malicious font file.",
"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": [
"Red Hat Build of OpenJDK 8u492"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-23865"
},
{
"category": "external",
"summary": "RHBZ#2443891",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2443891"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-23865",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23865"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-23865",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-23865"
},
{
"category": "external",
"summary": "https://gitlab.com/freetype/freetype/-/commit/fc85a255849229c024c8e65f536fe1875d84841c",
"url": "https://gitlab.com/freetype/freetype/-/commit/fc85a255849229c024c8e65f536fe1875d84841c"
},
{
"category": "external",
"summary": "https://sourceforge.net/projects/freetype/files/freetype2/2.14.2/",
"url": "https://sourceforge.net/projects/freetype/files/freetype2/2.14.2/"
},
{
"category": "external",
"summary": "https://www.facebook.com/security/advisories/cve-2026-23865",
"url": "https://www.facebook.com/security/advisories/cve-2026-23865"
},
{
"category": "external",
"summary": "https://www.oracle.com/security-alerts/cpuapr2026.html#AppendixJAVA",
"url": "https://www.oracle.com/security-alerts/cpuapr2026.html#AppendixJAVA"
}
],
"release_date": "2026-03-02T16:09:42.079000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-04-23T16:07:25+00:00",
"details": "Before applying this update, make sure all previously released errata relevant 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 Build of OpenJDK 8u492"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:9684"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "LOW",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L",
"version": "3.1"
},
"products": [
"Red Hat Build of OpenJDK 8u492"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "freetype: Information disclosure or denial of service via specially crafted font files"
},
{
"cve": "CVE-2026-34268",
"cwe": {
"id": "CWE-327",
"name": "Use of a Broken or Risky Cryptographic Algorithm"
},
"discovery_date": "2026-04-21T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2460043"
}
],
"notes": [
{
"category": "description",
"text": "No description is available for this CVE.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "openjdk: Enhance key generation (Oracle CPU 2026-04)",
"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 Build of OpenJDK 8u492"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-34268"
},
{
"category": "external",
"summary": "RHBZ#2460043",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2460043"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-34268",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-34268"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-34268",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-34268"
},
{
"category": "external",
"summary": "https://www.oracle.com/security-alerts/cpuapr2026.html#AppendixJAVA",
"url": "https://www.oracle.com/security-alerts/cpuapr2026.html#AppendixJAVA"
}
],
"release_date": "2026-04-21T20:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-04-23T16:07:25+00:00",
"details": "Before applying this update, make sure all previously released errata relevant 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 Build of OpenJDK 8u492"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:9684"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 2.9,
"baseSeverity": "LOW",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
"version": "3.1"
},
"products": [
"Red Hat Build of OpenJDK 8u492"
]
}
],
"threats": [
{
"category": "impact",
"details": "Low"
}
],
"title": "openjdk: Enhance key generation (Oracle CPU 2026-04)"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
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.
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