{"id":"UBUNTU-CVE-2023-39741","details":"lrzip v0.651 was discovered to contain a heap overflow via the libzpaq::PostProcessor::write(int) function at /libzpaq/libzpaq.cpp. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted file.","modified":"2026-01-20T17:40:38.467840Z","published":"2023-08-17T19:15:00Z","upstream":["CVE-2023-39741"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-39741"},{"type":"REPORT","url":"https://github.com/ckolivas/lrzip/issues/246"},{"type":"REPORT","url":"https://github.com/huanglei3/lrzip_poc/tree/main/lrzip_heap_overflow"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2023-39741"}],"affected":[{"package":{"name":"lrzip","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/lrzip@0.616-1ubuntu0.1~esm2?arch=source&distro=esm-infra-legacy/trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.608-2","0.616-1","0.616-1ubuntu0.1~esm","0.616-1ubuntu0.1~esm1","0.616-1ubuntu0.1~esm2"],"ecosystem_specific":{"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/2023/UBUNTU-CVE-2023-39741.json"}},{"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"}]}],"versions":["0.621-1","0.621-1ubuntu0.1~esm1","0.621-1ubuntu0.1~esm2"],"ecosystem_specific":{"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/2023/UBUNTU-CVE-2023-39741.json"}},{"package":{"name":"lrzip","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/lrzip@0.631-1+deb9u3build0.18.04.1?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.631-1","0.631-1ubuntu0.1~esm1","0.631-1+deb9u1build0.18.04.1","0.631-1+deb9u3build0.18.04.1"],"ecosystem_specific":{"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/2023/UBUNTU-CVE-2023-39741.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"}]}],"versions":["0.631+git180528-1","0.631+git180528-1build1","0.631+git180528-1+deb10u1build0.20.04.1"],"ecosystem_specific":{"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/2023/UBUNTU-CVE-2023-39741.json"}},{"package":{"name":"lrzip","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/lrzip@0.651-2ubuntu0.22.04.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.641-1","0.651-2","0.651-2ubuntu0.22.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"lrzip","binary_version":"0.651-2ubuntu0.22.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-39741.json"}},{"package":{"name":"lrzip","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/lrzip@0.651-2ubuntu1?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.651-2ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"lrzip","binary_version":"0.651-2ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-39741.json"}},{"package":{"name":"lrzip","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/lrzip@0.651-3?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/2023/UBUNTU-CVE-2023-39741.json"}}],"schema_version":"1.7.3","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"}]}