RHSA-2026:11403
Vulnerability from csaf_redhat - Published: 2026-04-28 18:46 - Updated: 2026-04-29 01:49Summary
Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
Severity
Important
Notes
Topic: An update for Red Hat Hardened Images RPMs is now available.
Details: This update includes the following RPMs:
java-21-openjdk-portable:
* java-21-openjdk-portable-21.0.11.0.10-2.hum1 (aarch64, x86_64)
* java-21-openjdk-portable-devel-21.0.11.0.10-2.hum1 (aarch64, x86_64)
* java-21-openjdk-portable-devel-fastdebug-21.0.11.0.10-2.hum1 (aarch64, x86_64)
* java-21-openjdk-portable-devel-slowdebug-21.0.11.0.10-2.hum1 (aarch64, x86_64)
* java-21-openjdk-portable-docs-21.0.11.0.10-2.hum1 (aarch64, x86_64)
* java-21-openjdk-portable-fastdebug-21.0.11.0.10-2.hum1 (aarch64, x86_64)
* java-21-openjdk-portable-misc-21.0.11.0.10-2.hum1 (aarch64, x86_64)
* java-21-openjdk-portable-slowdebug-21.0.11.0.10-2.hum1 (aarch64, x86_64)
* java-21-openjdk-portable-sources-21.0.11.0.10-2.hum1 (aarch64, x86_64)
* java-21-openjdk-portable-static-libs-21.0.11.0.10-2.hum1 (aarch64, x86_64)
* java-21-openjdk-portable-static-libs-fastdebug-21.0.11.0.10-2.hum1 (aarch64, x86_64)
* java-21-openjdk-portable-static-libs-slowdebug-21.0.11.0.10-2.hum1 (aarch64, x86_64)
* java-21-openjdk-portable-21.0.11.0.10-2.hum1.src (src)
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.
CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
Vendor Fix
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://images.redhat.com/
https://access.redhat.com/errata/RHSA-2026:11403
No description is available for this CVE.
5.3 (Medium)
Vendor Fix
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://images.redhat.com/
https://access.redhat.com/errata/RHSA-2026:11403
No description is available for this CVE.
7.5 (High)
Vendor Fix
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://images.redhat.com/
https://access.redhat.com/errata/RHSA-2026:11403
No description is available for this CVE.
CWE-125 - Out-of-bounds Read
Vendor Fix
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://images.redhat.com/
https://access.redhat.com/errata/RHSA-2026:11403
No description is available for this CVE.
5.3 (Medium)
Vendor Fix
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://images.redhat.com/
https://access.redhat.com/errata/RHSA-2026:11403
No description is available for this CVE.
CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
Vendor Fix
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://images.redhat.com/
https://access.redhat.com/errata/RHSA-2026:11403
No description is available for this CVE.
7.5 (High)
Vendor Fix
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://images.redhat.com/
https://access.redhat.com/errata/RHSA-2026:11403
References
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"title": "Vulnerability summary"
},
{
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],
"scores": [
{
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"baseScore": 7.5,
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"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
},
"products": [
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"Red Hat Hardened Images:java-21-openjdk-portable-main@src",
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]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "openjdk: OpenJDK: Enhance Path Factories Redux (Oracle CPU 2026-04)"
},
{
"cve": "CVE-2026-22018",
"cwe": {
"id": "CWE-125",
"name": "Out-of-bounds Read"
},
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"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2460041"
}
],
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"category": "description",
"text": "No description is available for this CVE.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "openjdk: OpenJDK: Enhance Zip file reading (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"
}
],
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]
},
"references": [
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{
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"summary": "RHBZ#2460041",
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},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-22018",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-22018"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-22018",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-22018"
},
{
"category": "external",
"summary": "https://www.oracle.com/security-alerts/cpuapr2026.html#AppendixJAVA",
"url": "https://www.oracle.com/security-alerts/cpuapr2026.html#AppendixJAVA"
}
],
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{
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"date": "2026-04-28T18:46:54+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
"product_ids": [
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"Red Hat Hardened Images:java-21-openjdk-portable-main@src",
"Red Hat Hardened Images:java-21-openjdk-portable-main@x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:11403"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 3.7,
"baseSeverity": "LOW",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
"version": "3.1"
},
"products": [
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"Red Hat Hardened Images:java-21-openjdk-portable-main@src",
"Red Hat Hardened Images:java-21-openjdk-portable-main@x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Low"
}
],
"title": "openjdk: OpenJDK: Enhance Zip file reading (Oracle CPU 2026-04)"
},
{
"cve": "CVE-2026-22021",
"cwe": {
"id": "CWE-674",
"name": "Uncontrolled Recursion"
},
"discovery_date": "2026-04-21T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2460042"
}
],
"notes": [
{
"category": "description",
"text": "No description is available for this CVE.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "openjdk: OpenJDK: Enhance certificate chain validation (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": {
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]
},
"references": [
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"summary": "Canonical URL",
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{
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{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-22021",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-22021"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-22021",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-22021"
},
{
"category": "external",
"summary": "https://www.oracle.com/security-alerts/cpuapr2026.html#AppendixJAVA",
"url": "https://www.oracle.com/security-alerts/cpuapr2026.html#AppendixJAVA"
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],
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],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:11403"
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],
"scores": [
{
"cvss_v3": {
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"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",
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},
"products": [
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"Red Hat Hardened Images:java-21-openjdk-portable-main@src",
"Red Hat Hardened Images:java-21-openjdk-portable-main@x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "openjdk: OpenJDK: Enhance certificate chain validation (Oracle CPU 2026-04)"
},
{
"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": [
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}
],
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"text": "No description is available for this CVE.",
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},
{
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"text": "openjdk: OpenJDK: Enhance key generation (Oracle CPU 2026-04)",
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},
{
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"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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]
},
"references": [
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"summary": "Canonical URL",
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},
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},
{
"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",
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}
],
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}
],
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},
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"title": "openjdk: OpenJDK: Enhance TLS connection handling (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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