{"id":"UBUNTU-CVE-2020-25467","details":"A null pointer dereference was discovered lzo_decompress_buf in stream.c in Irzip 0.621 which allows an attacker to cause a denial of service (DOS) via a crafted compressed file.","modified":"2026-05-20T16:06:22.609043659Z","published":"2021-06-10T16:15:00Z","related":["USN-5840-1"],"upstream":["CVE-2020-25467"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-25467"},{"type":"REPORT","url":"https://bugs.launchpad.net/ubuntu/+source/lrzip/+bug/1893641"},{"type":"REPORT","url":"https://github.com/ckolivas/lrzip/issues/163"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5840-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-25467"}],"affected":[{"package":{"name":"lrzip","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/lrzip?arch=source&distro=trusty%2Fesm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.616-1ubuntu0.1~esm2"}]}],"versions":["0.608-2","0.616-1","0.616-1ubuntu0.1~esm","0.616-1ubuntu0.1~esm1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"lrzip","binary_version":"0.616-1ubuntu0.1~esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-25467.json"}},{"package":{"name":"lrzip","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/lrzip?arch=source&distro=esm-apps%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.621-1ubuntu0.1~esm2"}]}],"versions":["0.621-1","0.621-1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.621-1ubuntu0.1~esm2","binary_name":"lrzip"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-25467.json"}},{"package":{"name":"lrzip","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/lrzip?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.631-1+deb9u3build0.18.04.1"}]}],"versions":["0.631-1","0.631-1+deb9u1build0.18.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"lrzip","binary_version":"0.631-1+deb9u3build0.18.04.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-25467.json"}},{"package":{"name":"lrzip","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/lrzip?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.631+git180528-1+deb10u1build0.20.04.1"}]}],"versions":["0.631+git180528-1","0.631+git180528-1build1"],"ecosystem_specific":{"binaries":[{"binary_name":"lrzip","binary_version":"0.631+git180528-1+deb10u1build0.20.04.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-25467.json"}},{"package":{"name":"lrzip","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/lrzip?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.651-2ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.651-2ubuntu1","binary_name":"lrzip"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-25467.json"}},{"package":{"name":"lrzip","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/lrzip?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.651-2ubuntu1","0.651-3"],"ecosystem_specific":{"binaries":[{"binary_name":"lrzip","binary_version":"0.651-3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-25467.json"}},{"package":{"name":"lrzip","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/lrzip?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.651-3","0.651-3build1","0.660-1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.660-1","binary_name":"lrzip"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-25467.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}]}