{"id":"UBUNTU-CVE-2026-13593","details":"CSS::Minifier::XS versions before 0.14 for Perl have a memory leak when the entire document is minified away. The minify function has a memory leak when processing a document containing only characters to be removed, such as comments and whitespace.","modified":"2026-07-01T21:19:39Z","published":"2026-06-29T20:17:00Z","upstream":["CVE-2026-13593"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-13593"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-13593"},{"type":"REPORT","url":"https://lists.security.metacpan.org/cve-announce/msg/41396070/"},{"type":"REPORT","url":"https://metacpan.org/release/GTERMARS/CSS-Minifier-XS-0.14/changes"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2026/06/29/18"}],"affected":[{"package":{"name":"libcss-minifier-xs-perl","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/libcss-minifier-xs-perl?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.09-2","0.09-2build1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.09-2build1","binary_name":"libcss-minifier-xs-perl"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-13593.json"}},{"package":{"name":"libcss-minifier-xs-perl","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/libcss-minifier-xs-perl?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.09-2build3"],"ecosystem_specific":{"binaries":[{"binary_version":"0.09-2build3","binary_name":"libcss-minifier-xs-perl"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-13593.json"}},{"package":{"name":"libcss-minifier-xs-perl","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/libcss-minifier-xs-perl?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.09-2build4","0.09-2build5"],"ecosystem_specific":{"binaries":[{"binary_name":"libcss-minifier-xs-perl","binary_version":"0.09-2build5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-13593.json"}},{"package":{"name":"libcss-minifier-xs-perl","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/libcss-minifier-xs-perl?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.11-1","0.13-1","0.13-1build1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.13-1build1","binary_name":"libcss-minifier-xs-perl"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-13593.json"}},{"package":{"name":"libcss-minifier-xs-perl","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/libcss-minifier-xs-perl?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.13-1build2","0.13-1build3","0.13-1build4","0.13-1build6"],"ecosystem_specific":{"binaries":[{"binary_version":"0.13-1build6","binary_name":"libcss-minifier-xs-perl"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-13593.json"}},{"package":{"name":"libcss-minifier-xs-perl","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/libcss-minifier-xs-perl?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.13-1build7"],"ecosystem_specific":{"binaries":[{"binary_name":"libcss-minifier-xs-perl","binary_version":"0.13-1build7"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-13593.json"}},{"package":{"name":"libcss-minifier-xs-perl","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/libcss-minifier-xs-perl?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.13-1build7"],"ecosystem_specific":{"binaries":[{"binary_name":"libcss-minifier-xs-perl","binary_version":"0.13-1build7"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-13593.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]}