USN-7000-2: Expat vulnerabilities
17 September 2024
Several security issues were fixed in Expat.
Releases
Packages
- expat - XML parsing C library
Details
USN-7000-1 fixed vulnerabilities in Expat. This update
provides the corresponding updates for Ubuntu 22.04 LTS.
Original advisory 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)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 22.04
In general, a standard system update will make all the necessary changes.
References
Related notices
- USN-7000-1: lib64expat1-dev, libexpat1, lib64expat1, libexpat1-dev, expat
- USN-7001-1: libxmltok, libxmltok1-dev, libxmltok1
- USN-7001-2: libxmltok, libxmltok1-dev, libxmltok1t64