- What: Ubuntu 24.04 LTS receives updates to address vulnerabilities in Expat library related to incorrect handling of parser initialization and integer calculations.
- Impact: Attackers could potentially cause a denial of service or execute arbitrary code.
USN-8022-1 fixed vulnerabilities in Expat. This update provides the corresponding updates for Ubuntu 24.04 LTS. Original advisory details: It was discovered that Expat incorrectly handled the initialization of parsers for external entities. An attacker could possibly use this issue to cause a denial of service. (CVE-2026-24515) It was discovered that Expat incorrectly handled integer calculations when allocating memory for XML tags. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-25210)