{"id":"UBUNTU-CVE-2022-26291","details":"lrzip v0.641 was discovered to contain a multiple concurrency use-after-free between the functions zpaq_decompress_buf() and clear_rulist(). This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted Irz file.","modified":"2026-03-13T16:57:44.907323Z","published":"2022-03-28T22:15:00Z","related":["USN-5840-1"],"upstream":["CVE-2022-26291"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-26291"},{"type":"REPORT","url":"https://github.com/ckolivas/lrzip/issues/206"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5840-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2022-26291"}],"affected":[{"package":{"name":"lrzip","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/lrzip@0.621-1ubuntu0.1~esm2?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.621-1ubuntu0.1~esm2"}]}],"versions":["0.621-1","0.621-1ubuntu0.1~esm1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"lrzip","binary_version":"0.621-1ubuntu0.1~esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-26291.json"}},{"package":{"name":"lrzip","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/lrzip@0.631-1+deb9u3build0.18.04.1?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":{"availability":"No subscription required","binaries":[{"binary_name":"lrzip","binary_version":"0.631-1+deb9u3build0.18.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-26291.json"}},{"package":{"name":"lrzip","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/lrzip@0.631+git180528-1+deb10u1build0.20.04.1?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":{"availability":"No subscription required","binaries":[{"binary_name":"lrzip","binary_version":"0.631+git180528-1+deb10u1build0.20.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-26291.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":"medium"}]}