{"id":"USN-8318-1","summary":"libcaca vulnerability","details":"It was discovered that libcaca incorrectly handled certain malformed files.\nAn attacker could use this issue to cause libcaca to crash, resulting in a\ndenial of service, or possibly execute arbitrary code.","modified":"2026-05-27T15:47:45.400231327Z","published":"2026-05-27T12:23:40Z","related":["UBUNTU-CVE-2026-42046"],"upstream":["CVE-2026-42046","UBUNTU-CVE-2026-42046"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8318-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-42046"}],"affected":[{"package":{"name":"libcaca","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/libcaca?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.99.beta19-2.2ubuntu4.2"}]}],"versions":["0.99.beta19-2.2ubuntu2","0.99.beta19-2.2ubuntu3","0.99.beta19-2.2ubuntu4","0.99.beta19-2.2ubuntu4.1"],"ecosystem_specific":{"binaries":[{"binary_name":"caca-utils","binary_version":"0.99.beta19-2.2ubuntu4.2"},{"binary_name":"libcaca0","binary_version":"0.99.beta19-2.2ubuntu4.2"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2026-42046","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:22.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8318-1.json"}},{"package":{"name":"libcaca","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/libcaca?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.99.beta20-4ubuntu0.2"}]}],"versions":["0.99.beta20-3build1","0.99.beta20-4","0.99.beta20-4build1","0.99.beta20-4build2","0.99.beta20-4ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_name":"caca-utils","binary_version":"0.99.beta20-4ubuntu0.2"},{"binary_name":"libcaca0","binary_version":"0.99.beta20-4ubuntu0.2"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2026-42046","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:24.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8318-1.json"}},{"package":{"name":"libcaca","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/libcaca?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.99.beta20-5ubuntu0.25.10.2"}]}],"versions":["0.99.beta20-5","0.99.beta20-5ubuntu0.25.10.1"],"ecosystem_specific":{"binaries":[{"binary_name":"caca-utils","binary_version":"0.99.beta20-5ubuntu0.25.10.2"},{"binary_name":"libcaca0","binary_version":"0.99.beta20-5ubuntu0.25.10.2"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2026-42046","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:25.10"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8318-1.json"}},{"package":{"name":"libcaca","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/libcaca?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.99.beta20-6ubuntu2.1"}]}],"versions":["0.99.beta20-5","0.99.beta20-6","0.99.beta20-6ubuntu1","0.99.beta20-6ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_name":"caca-utils","binary_version":"0.99.beta20-6ubuntu2.1"},{"binary_name":"libcaca0","binary_version":"0.99.beta20-6ubuntu2.1"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2026-42046","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:26.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8318-1.json"}}],"schema_version":"1.7.5"}