> USN-8140-1: Cairo vulnerabilities

Alberto Garcia, Francisco Oca and Suleman Ali discovered that Cairo did not properly manage memory. An attacker could possibly use this issue to cause Cairo to crash, resulting in a denial of service. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2017-9814) It was discovered that Cairo incorrectly handled certain angle values when drawing arcs. An attacker could possibly use this issue to cause Cairo to crash, resulting in a denial of service. (CVE-2019-6461) It was discovered that Cairo incorrectly handled certain calculations when drawing arcs. An attacker could possibly use this issue to cause Cairo to consume resources, resulting in a denial of service. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2019-6462) Stephan Bergmann discovered that Cairo incorrectly managed memory during image composition. An attacker could use this issue to cause Cairo to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-35492)