{"id":"UBUNTU-CVE-2018-11496","details":"In Long Range Zip (aka lrzip) 0.631, there is a use-after-free in read_stream in stream.c, because decompress_file in lrzip.c lacks certain size validation.","modified":"2026-01-30T01:16:06.688709Z","published":"2018-05-26T20:29:00Z","related":["USN-5171-1","USN-5171-2"],"upstream":["CVE-2018-11496"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-11496"},{"type":"REPORT","url":"https://github.com/ckolivas/lrzip/issues/96"},{"type":"REPORT","url":"https://github.com/ckolivas/lrzip/commit/907b66b8cb4ba7384abf8d82f09204b127d328bd"},{"type":"REPORT","url":"https://github.com/ckolivas/lrzip/commit/a81248e47d276cf59b8c7e22558e2b5035e87b33"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5171-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-11496"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5171-2"}],"affected":[{"package":{"name":"lrzip","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/lrzip@0.616-1ubuntu0.1~esm1?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.616-1ubuntu0.1~esm1"}]}],"versions":["0.608-2","0.616-1","0.616-1ubuntu0.1~esm"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_version":"0.616-1ubuntu0.1~esm1","binary_name":"lrzip"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-11496.json"}},{"package":{"name":"lrzip","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/lrzip@0.621-1ubuntu0.1~esm1?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.621-1ubuntu0.1~esm1"}]}],"versions":["0.621-1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"0.621-1ubuntu0.1~esm1","binary_name":"lrzip"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-11496.json"}},{"package":{"name":"lrzip","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/lrzip@0.631-1+deb9u1build0.18.04.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.631-1+deb9u1build0.18.04.1"}]}],"versions":["0.631-1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"0.631-1+deb9u1build0.18.04.1","binary_name":"lrzip"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-11496.json"}}],"schema_version":"1.7.3","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":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}