SECURITY

USN-5449-1: libXv vulnerability It was discovered that libXv incorrectly handled certain inputs. An attacker could possibly use this issue to cause a denial of service, or possibly execute arbitrary code. Source: USN-5449-1: libXv vulnerability

USN-5402-2: OpenSSL vulnerabilities USN-5402-1 fixed several vulnerabilities in OpenSSL. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: Elison Niven discovered that OpenSSL incorrectly handled the c_rehash script. A local attacker could possibly use this issue to execute arbitrary commands when c_rehash is run. (CVE-2022-1292) Aliaksei Levin discovered that OpenSSL incorrectly handled resources when decoding certificates and keys. A remote attacker could possibly use this issue to cause OpenSSL to consume resources, leading to a denial of service. This issue only affected Ubuntu 22.04 LTS. (CVE-2022-1473) Source: USN-5402-2: OpenSSL vulnerabilities

USN-5447-1: logrotate vulnerability It was discovered that logrotate incorrectly handled the state file. A local attacker could possibly use this issue to keep a lock on the state file and cause logrotate to stop working, leading to a denial of service. Source: USN-5447-1: logrotate vulnerability

USN-5446-1: dpkg vulnerability Max Justicz discovered that dpkg incorrectly handled unpacking certain source packages. If a user or an automated system were tricked into unpacking a specially crafted source package, a remote attacker could modify files outside the target unpack directory, leading to a denial of service or potentially gaining access to the system. Source: USN-5446-1: dpkg vulnerability

USN-5445-1: Subversion vulnerabilities Ace Olszowka discovered that Subversion incorrectly handled certain svnserve requests. A remote attacker could possibly use this issue to cause svnserver to crash, resulting in a denial of service. This issue only affected Ubuntu 18.04 LTS. (CVE-2018-11782) Tomas Bortoli discovered that Subversion incorrectly handled certain svnserve requests. A remote attacker could possibly use this issue to cause svnserver to crash, resulting in a denial of service. This issue only affected Ubuntu 18.04 LTS. (CVE-2019-0203) Thomas Åkesson discovered that Subversion incorrectly handled certain inputs. An attacker could possibly use this issue to cause a denial of service. (CVE-2020-17525) Source: USN-5445-1: Subversion vulnerabilities