{"id":"UBUNTU-CVE-2019-5094","details":"An exploitable code execution vulnerability exists in the quota file functionality of E2fsprogs 1.45.3. A specially crafted ext4 partition can cause an out-of-bounds write on the heap, resulting in code execution. An attacker can corrupt a partition to trigger this vulnerability.","modified":"2026-04-22T11:57:41.044930Z","published":"2019-09-24T00:00:00Z","related":["USN-4142-1","USN-4142-2"],"upstream":["CVE-2019-5094"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-5094"},{"type":"REPORT","url":"https://talosintelligence.com/vulnerability_reports/TALOS-2019-0887"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4142-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4142-2"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2019-5094"}],"affected":[{"package":{"name":"e2fsprogs","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/e2fsprogs@1.42.9-3ubuntu1.3+esm1?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.42.9-3ubuntu1.3+esm1"}]}],"versions":["1.42.8-1ubuntu1","1.42.8-1ubuntu2","1.42.8-1ubuntu3","1.42.9-2ubuntu1","1.42.9-3ubuntu1","1.42.9-3ubuntu1.2","1.42.9-3ubuntu1.3"],"ecosystem_specific":{"binaries":[{"binary_version":"1.42.9-3ubuntu1.3+esm1","binary_name":"e2fsck-static"},{"binary_version":"1.42.9-3ubuntu1.3+esm1","binary_name":"e2fslibs"},{"binary_version":"1.42.9-3ubuntu1.3+esm1","binary_name":"e2fsprogs"},{"binary_version":"1.42.9-3ubuntu1.3+esm1","binary_name":"libcomerr2"},{"binary_version":"1.42.9-3ubuntu1.3+esm1","binary_name":"libss2"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-5094.json"}},{"package":{"name":"e2fsprogs","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/e2fsprogs@1.42.13-1ubuntu1.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.42.13-1ubuntu1.1"}]}],"versions":["1.42.12-1ubuntu2","1.42.13-1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.42.13-1ubuntu1.1","binary_name":"e2fsck-static"},{"binary_version":"1.42.13-1ubuntu1.1","binary_name":"e2fslibs"},{"binary_version":"1.42.13-1ubuntu1.1","binary_name":"e2fsprogs"},{"binary_version":"1.42.13-1ubuntu1.1","binary_name":"libcomerr2"},{"binary_version":"1.42.13-1ubuntu1.1","binary_name":"libss2"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-5094.json"}},{"package":{"name":"e2fsprogs","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/e2fsprogs@1.44.1-1ubuntu1.2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.44.1-1ubuntu1.2"}]}],"versions":["1.43.5-1","1.43.7-1","1.43.8-1ubuntu1","1.43.8-2","1.43.9-1","1.43.9-1ubuntu1","1.43.9-2","1.44.0-1","1.44.1-1","1.44.1-1ubuntu1","1.44.1-1ubuntu1.1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.44.1-1ubuntu1.2","binary_name":"e2fsck-static"},{"binary_version":"1.44.1-1ubuntu1.2","binary_name":"e2fslibs"},{"binary_version":"1.44.1-1ubuntu1.2","binary_name":"e2fsprogs"},{"binary_version":"1.44.1-1ubuntu1.2","binary_name":"e2fsprogs-l10n"},{"binary_version":"1.44.1-1ubuntu1.2","binary_name":"fuse2fs"},{"binary_version":"1.44.1-1ubuntu1.2","binary_name":"libcom-err2"},{"binary_version":"1.44.1-1ubuntu1.2","binary_name":"libcomerr2"},{"binary_version":"1.44.1-1ubuntu1.2","binary_name":"libext2fs2"},{"binary_version":"1.44.1-1ubuntu1.2","binary_name":"libss2"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-5094.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}