Red Hat Security Advisory: OpenJDK 21.0.8 Security Update for Windows Builds
Red Hat has released an important security update for its build of OpenJDK 21. 0. 8 for Windows, addressing multiple vulnerabilities including issues with glyph drawing, TLS protocol support, and HTTP client header handling. This update replaces the previous 21. 0. 7 release and includes security and bug fixes. The advisory references four CVEs: CVE-2025-30749, CVE-2025-30754, CVE-2025-50059, and CVE-2025-50106. No known exploits in the wild have been reported. Users are advised to apply this update after ensuring all prior relevant errata are installed. Detailed CVSS scores and impact specifics are available on the individual CVE pages linked in the advisory.
AI Analysis
Technical Summary
The Red Hat build of OpenJDK 21.0.8 for Windows addresses four security vulnerabilities affecting the Java Runtime Environment and Software Development Kit. These include improvements in glyph drawing (CVE-2025-30749 and CVE-2025-50106), enhancements to TLS protocol support (CVE-2025-30754), and better handling of HTTP client headers (CVE-2025-50059). The update supersedes version 21.0.7 and includes both security and bug fixes. The advisory rates the update as Important and directs users to apply it following prior errata. No CVSS base scores are provided in the advisory, but individual CVE pages contain detailed severity ratings. No exploits in the wild are currently known.
Potential Impact
The vulnerabilities addressed potentially affect the security and stability of Java applications running on the Red Hat build of OpenJDK 21 for Windows. They involve graphical rendering, TLS protocol handling, and HTTP client header processing, which could impact confidentiality, integrity, or availability depending on exploitation. However, no known active exploits have been reported. The update mitigates these issues by applying fixes in the OpenJDK 21.0.8 release.
Mitigation Recommendations
Red Hat has released OpenJDK 21.0.8 as a security update that includes fixes for the identified vulnerabilities. Users should apply this update to replace version 21.0.7 after ensuring all previously released relevant errata are installed. Detailed update instructions are available at https://access.redhat.com/articles/11258. Since this is an official fix from Red Hat, applying the update is the recommended remediation. No additional mitigation steps are indicated in the advisory.
Red Hat Security Advisory: OpenJDK 21.0.8 Security Update for Windows Builds
Description
Red Hat has released an important security update for its build of OpenJDK 21. 0. 8 for Windows, addressing multiple vulnerabilities including issues with glyph drawing, TLS protocol support, and HTTP client header handling. This update replaces the previous 21. 0. 7 release and includes security and bug fixes. The advisory references four CVEs: CVE-2025-30749, CVE-2025-30754, CVE-2025-50059, and CVE-2025-50106. No known exploits in the wild have been reported. Users are advised to apply this update after ensuring all prior relevant errata are installed. Detailed CVSS scores and impact specifics are available on the individual CVE pages linked in the advisory.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Red Hat build of OpenJDK 21.0.8 for Windows addresses four security vulnerabilities affecting the Java Runtime Environment and Software Development Kit. These include improvements in glyph drawing (CVE-2025-30749 and CVE-2025-50106), enhancements to TLS protocol support (CVE-2025-30754), and better handling of HTTP client headers (CVE-2025-50059). The update supersedes version 21.0.7 and includes both security and bug fixes. The advisory rates the update as Important and directs users to apply it following prior errata. No CVSS base scores are provided in the advisory, but individual CVE pages contain detailed severity ratings. No exploits in the wild are currently known.
Potential Impact
The vulnerabilities addressed potentially affect the security and stability of Java applications running on the Red Hat build of OpenJDK 21 for Windows. They involve graphical rendering, TLS protocol handling, and HTTP client header processing, which could impact confidentiality, integrity, or availability depending on exploitation. However, no known active exploits have been reported. The update mitigates these issues by applying fixes in the OpenJDK 21.0.8 release.
Mitigation Recommendations
Red Hat has released OpenJDK 21.0.8 as a security update that includes fixes for the identified vulnerabilities. Users should apply this update to replace version 21.0.7 after ensuring all previously released relevant errata are installed. Detailed update instructions are available at https://access.redhat.com/articles/11258. Since this is an official fix from Red Hat, applying the update is the recommended remediation. No additional mitigation steps are indicated in the advisory.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2025:10875
- Cve Count
- 4
- Additional Cves
- ["CVE-2025-30754","CVE-2025-50059","CVE-2025-50106"]
- Cvss Version
- null
Threat ID: 6a1f4e87e29bf47b500805d8
Added to database: 6/2/2026, 9:43:35 PM
Last enriched: 6/2/2026, 10:05:34 PM
Last updated: 6/3/2026, 5:08:41 AM
Views: 2
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