Skip to main content
CVE-2025-21502VulnerabilityPublished Updated

Red Hat Security Advisory: java-17-openjdk security update for RHEL 8.4

Affects Red Hat java-17-openjdkSource GCVE Database

0
Compare

Not known to be exploited.

Data as of 3 Nov 2026, 02:32 UTC

Severity
Medium

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

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 22 Jan 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: 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 2 Nov 2026.

What to do

AI-suggested

A security update is available from Red Hat for java-17-openjdk on RHEL 8.4 that addresses CVE-2025-21502 and updates the copy-jdk-configs package. Users should apply this update after ensuring all previously released errata are installed. Detailed update instructions are available from Red Hat's official documentation. Since the advisory confirms the availability of a fix, applying the update is the recommended mitigation.

Description

A security update for the java-17-openjdk packages on Red Hat Enterprise Linux 8.4 addresses a vulnerability identified as CVE-2025-21502, which involves enhanced array handling in the JDK. This update also includes bug fixes related to the copy-jdk-configs package used for configuration file transfers. The vulnerability has been rated with moderate security impact by Red Hat Product Security.

References

Community reviews

Loading reviews…