Red Hat Security Advisory: OpenJDK 8u422 Security Update for Portable Linux Builds
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 (8u422) for portable Linux serves as a replacement for Red Hat build of OpenJDK 8 (8u412) 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): * OpenJDK: RangeCheckElimination array index overflow (8323231) (CVE-2024-21147) * OpenJDK: potential UTF8 size overflow (8314794) (CVE-2024-21131) * OpenJDK: Excessive symbol length can lead to infinite loop (8319859) (CVE-2024-21138) * OpenJDK: Range Check Elimination (RCE) pre-loop limit overflow (8320548) (CVE-2024-21140) * OpenJDK: Pack200 increase loading time due to improper header validation (8322106) (CVE-2024-21144) * OpenJDK: Out-of-bounds access in 2D image handling (8324559) (CVE-2024-21145) 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.
AI Analysis
Technical Summary
The Red Hat security advisory RHSA-2024:4560 addresses six vulnerabilities in the java-1.8.0-openjdk packages for Red Hat Enterprise Linux 7 Extended Lifecycle Support. The fixed issues include: CVE-2024-21131 (potential UTF8 size overflow), CVE-2024-21138 (excessive symbol length causing infinite loop), CVE-2024-21140 (Range Check Elimination pre-loop limit overflow), CVE-2024-21144 (Pack200 loading time increase due to improper header validation), CVE-2024-21145 (out-of-bounds access in 2D image handling), and CVE-2024-21147 (RangeCheckElimination array index overflow). These vulnerabilities relate to memory handling and validation flaws in OpenJDK 8 runtime and SDK components. The advisory rates the update as important and provides updated packages to remediate these issues.
Potential Impact
The vulnerabilities could lead to various memory safety issues such as overflows, infinite loops, and out-of-bounds accesses within the OpenJDK 8 runtime environment. These flaws may affect the stability and security of Java applications running on affected Red Hat Enterprise Linux 7 Extended Lifecycle Support systems. The advisory does not specify active exploitation in the wild.
Mitigation Recommendations
Red Hat has released updated java-1.8.0-openjdk packages that fix these vulnerabilities. Users should apply the update as described in the advisory (https://access.redhat.com/articles/11258) and restart all running OpenJDK Java instances for the fixes to take effect. This is the official and recommended remediation.
Red Hat Security Advisory: OpenJDK 8u422 Security Update for Portable Linux Builds
Description
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 (8u422) for portable Linux serves as a replacement for Red Hat build of OpenJDK 8 (8u412) 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): * OpenJDK: RangeCheckElimination array index overflow (8323231) (CVE-2024-21147) * OpenJDK: potential UTF8 size overflow (8314794) (CVE-2024-21131) * OpenJDK: Excessive symbol length can lead to infinite loop (8319859) (CVE-2024-21138) * OpenJDK: Range Check Elimination (RCE) pre-loop limit overflow (8320548) (CVE-2024-21140) * OpenJDK: Pack200 increase loading time due to improper header validation (8322106) (CVE-2024-21144) * OpenJDK: Out-of-bounds access in 2D image handling (8324559) (CVE-2024-21145) 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.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Red Hat security advisory RHSA-2024:4560 addresses six vulnerabilities in the java-1.8.0-openjdk packages for Red Hat Enterprise Linux 7 Extended Lifecycle Support. The fixed issues include: CVE-2024-21131 (potential UTF8 size overflow), CVE-2024-21138 (excessive symbol length causing infinite loop), CVE-2024-21140 (Range Check Elimination pre-loop limit overflow), CVE-2024-21144 (Pack200 loading time increase due to improper header validation), CVE-2024-21145 (out-of-bounds access in 2D image handling), and CVE-2024-21147 (RangeCheckElimination array index overflow). These vulnerabilities relate to memory handling and validation flaws in OpenJDK 8 runtime and SDK components. The advisory rates the update as important and provides updated packages to remediate these issues.
Potential Impact
The vulnerabilities could lead to various memory safety issues such as overflows, infinite loops, and out-of-bounds accesses within the OpenJDK 8 runtime environment. These flaws may affect the stability and security of Java applications running on affected Red Hat Enterprise Linux 7 Extended Lifecycle Support systems. The advisory does not specify active exploitation in the wild.
Mitigation Recommendations
Red Hat has released updated java-1.8.0-openjdk packages that fix these vulnerabilities. Users should apply the update as described in the advisory (https://access.redhat.com/articles/11258) and restart all running OpenJDK Java instances for the fixes to take effect. This is the official and recommended remediation.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2024:4560
- Cve Count
- 6
- Additional Cves
- ["CVE-2024-21138","CVE-2024-21140","CVE-2024-21144","CVE-2024-21145","CVE-2024-21147"]
Threat ID: 6a3da1f34853345fc183339f
Added to database: 06/25/2026, 21:47:31 UTC
Last enriched: 08/06/2026, 23:19:57 UTC
Last updated: 09/10/2026, 19:36:47 UTC
Views: 11
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