{"id":"UBUNTU-CVE-2018-20548","details":"There is an illegal WRITE memory access at common-image.c (function load_image) in libcaca 0.99.beta19 for 1bpp data.","modified":"2026-04-22T13:05:24.827648Z","published":"2018-12-28T00:00:00Z","related":["USN-3860-1","USN-3860-2"],"upstream":["CVE-2018-20548"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-20548"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1652625"},{"type":"REPORT","url":"https://github.com/cacalabs/libcaca/issues/40"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3860-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3860-2"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-20548"}],"affected":[{"package":{"name":"libcaca","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/libcaca@0.99.beta18-1ubuntu5.1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.99.beta18-1ubuntu5.1"}]}],"versions":["0.99.beta18-1ubuntu2","0.99.beta18-1ubuntu3","0.99.beta18-1ubuntu4","0.99.beta18-1ubuntu5"],"ecosystem_specific":{"binaries":[{"binary_name":"caca-utils","binary_version":"0.99.beta18-1ubuntu5.1"},{"binary_name":"libcaca0","binary_version":"0.99.beta18-1ubuntu5.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-20548.json"}},{"package":{"name":"libcaca","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/libcaca@0.99.beta19-2ubuntu0.16.04.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.99.beta19-2ubuntu0.16.04.1"}]}],"versions":["0.99.beta19-2build2~gcc5.1","0.99.beta19-2build2~gcc5.2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"caca-utils","binary_version":"0.99.beta19-2ubuntu0.16.04.1"},{"binary_name":"libcaca0","binary_version":"0.99.beta19-2ubuntu0.16.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-20548.json"}},{"package":{"name":"libcaca","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/libcaca@0.99.beta19-2ubuntu0.18.04.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.99.beta19-2ubuntu0.18.04.1"}]}],"versions":["0.99.beta19-2build2~gcc5.2","0.99.beta19-2build2~gcc5.3"],"ecosystem_specific":{"binaries":[{"binary_name":"caca-utils","binary_version":"0.99.beta19-2ubuntu0.18.04.1"},{"binary_name":"libcaca0","binary_version":"0.99.beta19-2ubuntu0.18.04.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-20548.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}