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OpenAdvisories
Medium USN-7099-1 4 CVEs

openjdk-21 vulnerabilities

Published Nov 10, 2024 · Updated Apr 27, 2026

Ecosystem: Ubuntu

Summary

Andy Boothe discovered that the Networking component of OpenJDK 21 did not
properly handle access under certain circumstances. An unauthenticated
attacker could possibly use this issue to cause a denial of service.
(CVE-2024-21208)

It was discovered that the Hotspot component of OpenJDK 21 did not properly
handle vectorization under certain circumstances. An unauthenticated
attacker could possibly use this issue to access unauthorized resources
and expose sensitive information. (CVE-2024-21210, CVE-2024-21235)

It was discovered that the Serialization component of OpenJDK 21 did not
properly handle deserialization under certain circumstances. An
unauthenticated attacker could possibly use this issue to cause a denial
of service. (CVE-2024-21217)

Fixed packages 3

ReleasePackageFixed in
Ubuntu · 20.04 LTS 20.04:LTS openjdk-21 21.0.5+11-1ubuntu1~20.04
Ubuntu · 22.04 LTS 22.04:LTS openjdk-21 21.0.5+11-1ubuntu1~22.04
Ubuntu · 24.04 LTS 24.04:LTS openjdk-21 21.0.5+11-1ubuntu1~24.04

Vulnerabilities 4

References

  • report
    https://ubuntu.com/security/CVE-2024-21208
  • report
    https://ubuntu.com/security/CVE-2024-21210
  • report
    https://ubuntu.com/security/CVE-2024-21217
  • report
    https://ubuntu.com/security/CVE-2024-21235