{"id":"USN-4921-1","summary":"libcaca vulnerability","details":"It was discovered that libcaca incorrectly handled certain images.\nAn attacker could possibly use this issue to execute arbitrary code.\n","modified":"2026-06-29T13:48:54.216975210Z","published":"2021-04-20T15:41:45Z","related":["UBUNTU-CVE-2021-3410"],"upstream":["CVE-2021-3410","UBUNTU-CVE-2021-3410"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4921-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-3410"}],"affected":[{"package":{"name":"libcaca","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/libcaca?arch=source&distro=trusty%2Fesm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.99.beta18-1ubuntu5.1+esm1"}]}],"versions":["0.99.beta18-1ubuntu2","0.99.beta18-1ubuntu3","0.99.beta18-1ubuntu4","0.99.beta18-1ubuntu5","0.99.beta18-1ubuntu5.1"],"ecosystem_specific":{"binaries":[{"binary_name":"caca-utils","binary_version":"0.99.beta18-1ubuntu5.1+esm1"},{"binary_version":"0.99.beta18-1ubuntu5.1+esm1","binary_name":"libcaca0"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:14.04:LTS","cves":[{"id":"CVE-2021-3410","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4921-1.json"}},{"package":{"name":"libcaca","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/libcaca?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.99.beta19-2ubuntu0.16.04.2"}]}],"versions":["0.99.beta19-2build2~gcc5.1","0.99.beta19-2build2~gcc5.2","0.99.beta19-2ubuntu0.16.04.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"caca-utils","binary_version":"0.99.beta19-2ubuntu0.16.04.2"},{"binary_version":"0.99.beta19-2ubuntu0.16.04.2","binary_name":"libcaca0"}]},"database_specific":{"cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2021-3410"}],"ecosystem":"Ubuntu:16.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4921-1.json"}},{"package":{"name":"libcaca","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/libcaca?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.99.beta19-2ubuntu0.18.04.2"}]}],"versions":["0.99.beta19-2build2~gcc5.2","0.99.beta19-2build2~gcc5.3","0.99.beta19-2ubuntu0.18.04.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"caca-utils","binary_version":"0.99.beta19-2ubuntu0.18.04.2"},{"binary_name":"libcaca0","binary_version":"0.99.beta19-2ubuntu0.18.04.2"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:18.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2021-3410"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4921-1.json"}},{"package":{"name":"libcaca","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/libcaca?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.99.beta19-2.1ubuntu1.20.04.1"}]}],"versions":["0.99.beta19-2.1","0.99.beta19-2.1ubuntu1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"caca-utils","binary_version":"0.99.beta19-2.1ubuntu1.20.04.1"},{"binary_name":"libcaca0","binary_version":"0.99.beta19-2.1ubuntu1.20.04.1"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"id":"CVE-2021-3410","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"score":"medium","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4921-1.json"}}],"schema_version":"1.7.5"}