USN-5638-1 fixed a vulnerability in Expat. This update provides the corresponding updates for Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS.
It was discovered that Expat incorrectly handled memory in out-of-memory situations. An attacker could possibly use this issue to cause a crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 18.04 LTS. (CVE-2022-43680)
Original advisory details:
Rhodri James discovered that Expat incorrectly handled memory when processing certain malformed XML files. An attacker could possibly use this issue to cause a crash or execute arbitrary code.
2.2.5-3ubuntu0.82.2.9-1ubuntu0.52.4.7-1ubuntu0.1