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CVE-2025-21502VulnerabilityPublished Updated

Red Hat Security Advisory: OpenJDK 17.0.14 Security Update for Portable Linux Builds

Affects Red HatSource GCVE Database

0

Not known to be exploited.

Data as of 25 Oct 2026, 19:02 UTC

Severity
Medium

Rated by Threat Radar · No CVSS score from NVD or the CNA

EPSS
1.0% chance of exploitation in 30 days – higher than 62% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 22 Jan 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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 2026-10-25.

What to do

Affected software

ProductAffectedFixed in
Red Hatredhat/java-21-openjdkpkg:rpm/redhat/java-21-openjdkOther threatsAffected
  • =8.10
  • =9.4
  • =9.5
Fixed in–

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AI-suggested

Red Hat has released updated java-21-openjdk packages to address this vulnerability. Users should apply the security update as detailed in Red Hat Advisory RHSA-2025:0426. Before applying this update, ensure all previously released errata relevant to your system have been applied. Follow Red Hat's official update instructions at https://access.redhat.com/articles/11258. Patch status is confirmed as available via this advisory.

Description

IBM Java SE version 8 includes the IBM Java Runtime Environment and the IBM Java Software Development Kit. This update upgrades IBM Java SE 8 to version 8 SR8-FP40. Security Fix(es): * CVE-2025-21502 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

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