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USN-6929-1: OpenJDK 8 vulnerabilities

31 July 2024

Several security issues were fixed in OpenJDK 8.

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Releases

Packages

  • openjdk-8 - Open Source Java implementation

Details

It was discovered that the Hotspot component of OpenJDK 8 was not properly
performing bounds when handling certain UTF-8 strings, which could lead to
a buffer overflow. An attacker could possibly use this issue to cause a
denial of service or execute arbitrary code. (CVE-2024-21131)

It was discovered that the Hotspot component of OpenJDK 8 could be made to
run into an infinite loop. If an automated system were tricked into
processing excessively large symbols, an attacker could possibly use this
issue to cause a denial of service. (CVE-2024-21138)

It was discovered that the Hotspot component of OpenJDK 8 did not properly
perform range check elimination. An attacker could possibly use this issue
to cause a denial of service, execute arbitrary code or bypass Java
sandbox restrictions. (CVE-2024-21140)

Yakov Shafranovich discovered that the Concurrency component of OpenJDK 8
incorrectly performed header validation in the Pack200 archive format. An
attacker could possibly use this issue to cause a denial of service.
(CVE-2024-21144)

Sergey Bylokhov discovered that OpenJDK 8 did not properly manage memory
when handling 2D images. An attacker could possibly use this issue to
obtain sensitive information. (CVE-2024-21145)

It was discovered that the Hotspot component of OpenJDK 8 incorrectly
handled memory when performing range check elimination under certain
circumstances. An attacker could possibly use this issue to cause a
denial of service, execute arbitrary code or bypass Java sandbox
restrictions. (CVE-2024-21147)

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Update instructions

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

Ubuntu 24.04
Ubuntu 22.04
Ubuntu 20.04
Ubuntu 18.04

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

Related notices

  • USN-6930-1: openjdk-11-jdk, openjdk-11-jre, openjdk-11-jre-headless, openjdk-11-jdk-headless, openjdk-11-jre-zero, openjdk-11-source, openjdk-lts, openjdk-11-doc, openjdk-11-demo
  • USN-6932-1: openjdk-21-doc, openjdk-21-jdk, openjdk-21-jre-headless, openjdk-21, openjdk-21-jre, openjdk-21-source, openjdk-21-demo, openjdk-21-jre-zero, openjdk-21-testsupport, openjdk-21-jdk-headless
  • USN-6931-1: openjdk-17-source, openjdk-17, openjdk-17-doc, openjdk-17-demo, openjdk-17-jre-headless, openjdk-17-jre, openjdk-17-jre-zero, openjdk-17-jdk-headless, openjdk-17-jdk

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Further reading