Red Hat Security Advisory: OpenJDK 8u452 Security Update for Portable Linux Builds
Affects Red Hat OpenJDK 8u452Source GCVE Database
Mentioned vulnerabilities
Not known to be exploited.
Data as of 26 Oct 2026, 18:43 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
Exploitation evidence
Disclosed: evidence found.
CVE published 16 Apr 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
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 (8u452) for portable Linux serves as a replacement for Red Hat build of OpenJDK 8 (8u442) 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: Better TLS connection support (CVE-2025-21587) * JDK: Improve compiler transformations (CVE-2025-30691) * JDK: Enhance Buffered Image handling (CVE-2025-30698) 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.
References
- access.redhat.com/errata/RHSA-2025:3846 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- docs.redhat.com/en/documentation/red_hat_build_of_openjdk/8/html/release_notes_for_red_hat_build_of_openjdk_8.0.452/index (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_3846.json (opens in a new tab)