USN-6811-1: OpenJDK 11 vulnerabilities

Releases

• Ubuntu 23.10
• Ubuntu 22.04 LTS
• Ubuntu 20.04 LTS
• Ubuntu 18.04 ESM

Packages

• openjdk-lts - Open Source Java implementation

Details

It was discovered that the Hotspot component of OpenJDK 11 incorrectly
handled certain exceptions with specially crafted long messages. An
attacker could possibly use this issue to cause a denial of service.
(CVE-2024-21011)

It was discovered that OpenJDK 11 incorrectly performed reverse DNS
query under certain circumstances in the Networking/HTTP client
component. An attacker could possibly use this issue to obtain sensitive
information. (CVE-2024-21012)

Vladimir Kondratyev discovered that the Hotspot component of OpenJDK 11
incorrectly handled address offset calculations in the C1 compiler. An
attacker could possibly use this issue to cause a denial of service
or execute arbitrary code. (CVE-2024-21068)

Yakov Shafranovich discovered that OpenJDK 11 did not properly manage
memory in the Pack200 archive format. An attacker could possibly use this
issue to cause a denial of service. (CVE-2024-21085)

It was discovered that the Hotspot component of OpenJDK 11 incorrectly
handled array accesses in the C2 compiler. An attacker could possibly use
this issue to cause a denial of service or execute arbitrary code.
(CVE-2024-21094)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 23.10

• openjdk-11-jdk - 11.0.23+9-1ubuntu1~23.10.1
• openjdk-11-jdk-headless - 11.0.23+9-1ubuntu1~23.10.1
• openjdk-11-jre - 11.0.23+9-1ubuntu1~23.10.1
• openjdk-11-jre-headless - 11.0.23+9-1ubuntu1~23.10.1
• openjdk-11-jre-zero - 11.0.23+9-1ubuntu1~23.10.1

Ubuntu 22.04

• openjdk-11-jdk - 11.0.23+9-1ubuntu1~22.04.1
• openjdk-11-jdk-headless - 11.0.23+9-1ubuntu1~22.04.1
• openjdk-11-jre - 11.0.23+9-1ubuntu1~22.04.1
• openjdk-11-jre-headless - 11.0.23+9-1ubuntu1~22.04.1
• openjdk-11-jre-zero - 11.0.23+9-1ubuntu1~22.04.1

Ubuntu 20.04

• openjdk-11-jdk - 11.0.23+9-1ubuntu1~20.04.2
• openjdk-11-jdk-headless - 11.0.23+9-1ubuntu1~20.04.2
• openjdk-11-jre - 11.0.23+9-1ubuntu1~20.04.2
• openjdk-11-jre-headless - 11.0.23+9-1ubuntu1~20.04.2
• openjdk-11-jre-zero - 11.0.23+9-1ubuntu1~20.04.2

Ubuntu 18.04

• openjdk-11-jdk - 11.0.23+9-1ubuntu1~18.04.1
  Available with Ubuntu Pro
• openjdk-11-jdk-headless - 11.0.23+9-1ubuntu1~18.04.1
  Available with Ubuntu Pro
• openjdk-11-jre - 11.0.23+9-1ubuntu1~18.04.1
  Available with Ubuntu Pro
• openjdk-11-jre-headless - 11.0.23+9-1ubuntu1~18.04.1
  Available with Ubuntu Pro
• openjdk-11-jre-zero - 11.0.23+9-1ubuntu1~18.04.1
  Available with Ubuntu Pro

This update uses a new upstream release, which includes additional bug
fixes. After a standard system update you need to restart any Java
applications to make all the necessary changes.

References

• CVE-2024-21068
• CVE-2024-21012
• CVE-2024-21085
• CVE-2024-21011
• CVE-2024-21094

Related notices

• USN-6810-1: openjdk-8-jre-headless, openjdk-8-source, openjdk-8-doc, openjdk-8-jre, openjdk-8-jdk, openjdk-8-demo, openjdk-8-jdk-headless, openjdk-8-jre-zero, openjdk-8
• USN-6812-1: openjdk-17-source, openjdk-17-jre-headless, openjdk-17-jre, openjdk-17-doc, openjdk-17-jdk-headless, openjdk-17-jre-zero, openjdk-17-jdk, openjdk-17, openjdk-17-demo
• USN-6813-1: openjdk-21-jre, openjdk-21-demo, openjdk-21-jdk-headless, openjdk-21, openjdk-21-testsupport, openjdk-21-jre-zero, openjdk-21-doc, openjdk-21-source, openjdk-21-jdk, openjdk-21-jre-headless