Bug#1093878: openjdk-8: CVE-2025-21502

[Moritz Mühlenhoff]

Source: openjdk-8
X-Debbugs-CC: team at security.debian.org
Severity: important
Tags: security

Hi,

The following vulnerability was published for openjdk-8.

CVE-2025-21502[0]:
| Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle
| GraalVM Enterprise Edition product of Oracle Java SE (component:
| Hotspot).  Supported versions that are affected are Oracle Java SE:
| 8u431-perf, 11.0.25, 17.0.13, 21.0.5, 23.0.1; Oracle GraalVM for
| JDK: 17.0.13, 21.0.5, 23.0.1; Oracle GraalVM Enterprise Edition:
| 20.3.16 and  21.3.12. Difficult to exploit vulnerability allows
| unauthenticated attacker with network access via multiple protocols
| to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM
| Enterprise Edition.  Successful attacks of this vulnerability can
| result in  unauthorized update, insert or delete access to some of
| Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise
| Edition accessible data as well as  unauthorized read access to a
| subset of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM
| Enterprise Edition accessible data. Note: This vulnerability can be
| exploited by using APIs in the specified Component, e.g., through a
| web service which supplies data to the APIs. This vulnerability also
| applies to Java deployments, typically in clients running sandboxed
| Java Web Start applications or sandboxed Java applets, that load and
| run untrusted code (e.g., code that comes from the internet) and
| rely on the Java sandbox for security. CVSS 3.1 Base Score 4.8
| (Confidentiality and Integrity impacts).  CVSS Vector:
| (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N).

If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2025-21502
    https://www.cve.org/CVERecord?id=CVE-2025-21502

Please adjust the affected versions in the BTS as needed.