{"id":"USN-7943-1","summary":"libcaca vulnerability","details":"Han Zheng discovered that libcaca incorrectly handled certain images.\nAn attacker could possibly use this issue to cause libcaca to crash.","modified":"2026-06-25T13:32:31.579760708Z","published":"2026-01-07T09:18:49Z","related":["UBUNTU-CVE-2022-0856"],"upstream":["UBUNTU-CVE-2022-0856"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7943-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-0856"}],"affected":[{"package":{"name":"libcaca","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/libcaca?arch=source&distro=esm-infra-legacy%2Ftrusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.99.beta18-1ubuntu5.1+esm3"}]}],"versions":["0.99.beta18-1ubuntu2","0.99.beta18-1ubuntu3","0.99.beta18-1ubuntu4","0.99.beta18-1ubuntu5","0.99.beta18-1ubuntu5.1","0.99.beta18-1ubuntu5.1+esm1","0.99.beta18-1ubuntu5.1+esm2"],"ecosystem_specific":{"binaries":[{"binary_version":"0.99.beta18-1ubuntu5.1+esm3","binary_name":"caca-utils"},{"binary_version":"0.99.beta18-1ubuntu5.1+esm3","binary_name":"libcaca0"}],"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2022-0856","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}]}],"ecosystem":"Ubuntu:Pro:14.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7943-1.json"}},{"package":{"name":"libcaca","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/libcaca?arch=source&distro=esm-infra%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.99.beta19-2ubuntu0.16.04.2+esm2"}]}],"versions":["0.99.beta19-2build2~gcc5.1","0.99.beta19-2build2~gcc5.2","0.99.beta19-2ubuntu0.16.04.1","0.99.beta19-2ubuntu0.16.04.2","0.99.beta19-2ubuntu0.16.04.2+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"caca-utils","binary_version":"0.99.beta19-2ubuntu0.16.04.2+esm2"},{"binary_name":"libcaca0","binary_version":"0.99.beta19-2ubuntu0.16.04.2+esm2"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"cves_map":{"cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}],"id":"CVE-2022-0856"}],"ecosystem":"Ubuntu:Pro:16.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7943-1.json"}},{"package":{"name":"libcaca","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/libcaca?arch=source&distro=esm-infra%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.99.beta19-2ubuntu0.18.04.3+esm1"}]}],"versions":["0.99.beta19-2build2~gcc5.2","0.99.beta19-2build2~gcc5.3","0.99.beta19-2ubuntu0.18.04.1","0.99.beta19-2ubuntu0.18.04.2","0.99.beta19-2ubuntu0.18.04.3"],"ecosystem_specific":{"binaries":[{"binary_name":"caca-utils","binary_version":"0.99.beta19-2ubuntu0.18.04.3+esm1"},{"binary_name":"libcaca0","binary_version":"0.99.beta19-2ubuntu0.18.04.3+esm1"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:18.04:LTS","cves":[{"id":"CVE-2022-0856","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"low"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7943-1.json"}},{"package":{"name":"libcaca","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/libcaca?arch=source&distro=esm-infra%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.99.beta19-2.1ubuntu1.20.04.2+esm1"}]}],"versions":["0.99.beta19-2.1","0.99.beta19-2.1ubuntu1","0.99.beta19-2.1ubuntu1.20.04.1","0.99.beta19-2.1ubuntu1.20.04.2"],"ecosystem_specific":{"binaries":[{"binary_version":"0.99.beta19-2.1ubuntu1.20.04.2+esm1","binary_name":"caca-utils"},{"binary_name":"libcaca0","binary_version":"0.99.beta19-2.1ubuntu1.20.04.2+esm1"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:20.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2022-0856"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7943-1.json"}},{"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.beta19-2.2ubuntu4.1"}]}],"versions":["0.99.beta19-2.2ubuntu2","0.99.beta19-2.2ubuntu3","0.99.beta19-2.2ubuntu4"],"ecosystem_specific":{"binaries":[{"binary_version":"0.99.beta19-2.2ubuntu4.1","binary_name":"caca-utils"},{"binary_name":"libcaca0","binary_version":"0.99.beta19-2.2ubuntu4.1"}],"availability":"No subscription 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