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USN-7000-1: Expat vulnerabilities

12 September 2024

Several security issues were fixed in Expat.

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Releases

Packages

  • expat - XML parsing C library

Details

Shang-Hung Wan discovered that Expat did not properly handle certain
function calls when a negative input length was provided. An attacker
could use this issue to cause a denial of service or possibly execute
arbitrary code. (CVE-2024-45490)

Shang-Hung Wan discovered that Expat did not properly handle the
potential for an integer overflow on 32-bit platforms. An attacker
could use this issue to cause a denial of service or possibly execute
arbitrary code. (CVE-2024-45491, CVE-2024-45492)

Reduce your security exposure

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.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 24.04
Ubuntu 20.04
Ubuntu 18.04
Ubuntu 16.04
Ubuntu 14.04

In general, a standard system update will make all the necessary changes.

References

Related notices

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Further reading