Ubuntu Security Advisories

It was discovered that Squid incorrectly handled certain long SNMP OIDs. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service.

It was discovered that poppler incorrectly handled certain PDF files. If a user or automated system were tricked into opening a specially crafted document, a remote attacker could use this issue to cause poppler to crash, leading to a denial of service.

USN-7691-1 fixed several vulnerabilities in MySQL. This update provides the corresponding update for Ubuntu 20.04 LTS. Original advisory details: Multiple security issues were discovered in MySQL and this update includes new upstream MySQL versions to fix these issues. MySQL has been updated to 8.0.43 in Ubuntu 20.04 LTS In addition to security fixes, the updated packages contain bug fixes, new features, and possibly incompatible changes. Please see the following for more information: https://dev.mysql.com/doc/relnotes/mysql/8.0/en/news-8-0-43.html https://www.oracle.com/security-alerts/cpujul2025.html