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USN-7001-2: xmltok library vulnerabilities

17 September 2024

Several security issues were fixed in libxmltok.

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Releases

Packages

  • libxmltok - XML Parser Toolkit, developer libraries

Details

USN-7001-1 fixed vulnerabilities in xmltol library. This update
provides the corresponding updates for Ubuntu 24.04 LTS.

Original advisory details:

Shang-Hung Wan discovered that Expat, contained within the xmltok library,
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, contained within the xmltok library,
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)

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

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

Related notices

  • USN-7000-1: lib64expat1, libexpat1, libexpat1-dev, lib64expat1-dev, expat
  • USN-7001-1: libxmltok1-dev, libxmltok, libxmltok1
  • USN-7000-2: libexpat1-dev, libexpat1, expat