{"id":"UBUNTU-CVE-2025-14104","details":"A flaw was found in util-linux. This vulnerability allows a heap buffer overread when processing 256-byte usernames, specifically within the `setpwnam()` function, affecting SUID (Set User ID) login-utils utilities writing to the password database.","modified":"2026-04-22T18:59:18.180995Z","published":"2025-12-05T17:16:00Z","upstream":["CVE-2025-14104"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-14104"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2025-14104"},{"type":"REPORT","url":"https://github.com/util-linux/util-linux/pull/3586"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-14104"}],"affected":[{"package":{"name":"util-linux","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/util-linux@2.20.1-5.1ubuntu20.9?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.20.1-5.1ubuntu9","2.20.1-5.1ubuntu10","2.20.1-5.1ubuntu11","2.20.1-5.1ubuntu12","2.20.1-5.1ubuntu13","2.20.1-5.1ubuntu14","2.20.1-5.1ubuntu15","2.20.1-5.1ubuntu16","2.20.1-5.1ubuntu17","2.20.1-5.1ubuntu18","2.20.1-5.1ubuntu19","2.20.1-5.1ubuntu20","2.20.1-5.1ubuntu20.1","2.20.1-5.1ubuntu20.2","2.20.1-5.1ubuntu20.3","2.20.1-5.1ubuntu20.4","2.20.1-5.1ubuntu20.6","2.20.1-5.1ubuntu20.7","2.20.1-5.1ubuntu20.9"],"ecosystem_specific":{"binaries":[{"binary_name":"bsdutils","binary_version":"1:2.20.1-5.1ubuntu20.9"},{"binary_version":"2.20.1-5.1ubuntu20.9","binary_name":"libblkid1"},{"binary_name":"libmount1","binary_version":"2.20.1-5.1ubuntu20.9"},{"binary_name":"libuuid1","binary_version":"2.20.1-5.1ubuntu20.9"},{"binary_version":"2.20.1-5.1ubuntu20.9","binary_name":"mount"},{"binary_name":"util-linux","binary_version":"2.20.1-5.1ubuntu20.9"},{"binary_name":"util-linux-locales","binary_version":"2.20.1-5.1ubuntu20.9"},{"binary_name":"uuid-runtime","binary_version":"2.20.1-5.1ubuntu20.9"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-14104.json"}},{"package":{"name":"util-linux","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/util-linux@2.27.1-6ubuntu3.10+esm2?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.26.2-6ubuntu3","2.27-3ubuntu1","2.27.1-1ubuntu2","2.27.1-1ubuntu3","2.27.1-1ubuntu4","2.27.1-3ubuntu1","2.27.1-4ubuntu1","2.27.1-6ubuntu1","2.27.1-6ubuntu2","2.27.1-6ubuntu3","2.27.1-6ubuntu3.1","2.27.1-6ubuntu3.2","2.27.1-6ubuntu3.3","2.27.1-6ubuntu3.4","2.27.1-6ubuntu3.6","2.27.1-6ubuntu3.7","2.27.1-6ubuntu3.8","2.27.1-6ubuntu3.9","2.27.1-6ubuntu3.10","2.27.1-6ubuntu3.10+esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"bsdutils","binary_version":"1:2.27.1-6ubuntu3.10+esm2"},{"binary_name":"libblkid1","binary_version":"2.27.1-6ubuntu3.10+esm2"},{"binary_name":"libfdisk1","binary_version":"2.27.1-6ubuntu3.10+esm2"},{"binary_name":"libmount1","binary_version":"2.27.1-6ubuntu3.10+esm2"},{"binary_name":"libsmartcols1","binary_version":"2.27.1-6ubuntu3.10+esm2"},{"binary_name":"libuuid1","binary_version":"2.27.1-6ubuntu3.10+esm2"},{"binary_name":"mount","binary_version":"2.27.1-6ubuntu3.10+esm2"},{"binary_name":"util-linux","binary_version":"2.27.1-6ubuntu3.10+esm2"},{"binary_name":"util-linux-locales","binary_version":"2.27.1-6ubuntu3.10+esm2"},{"binary_name":"uuid-runtime","binary_version":"2.27.1-6ubuntu3.10+esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-14104.json"}},{"package":{"name":"util-linux","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/util-linux@2.31.1-0.4ubuntu3.7?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.30.1-0ubuntu4","2.30.2-0.1ubuntu1","2.30.2-0.1ubuntu2","2.30.2-0.1ubuntu3","2.31.1-0.4ubuntu2","2.31.1-0.4ubuntu3","2.31.1-0.4ubuntu3.1","2.31.1-0.4ubuntu3.2","2.31.1-0.4ubuntu3.3","2.31.1-0.4ubuntu3.4","2.31.1-0.4ubuntu3.5","2.31.1-0.4ubuntu3.6","2.31.1-0.4ubuntu3.7"],"ecosystem_specific":{"binaries":[{"binary_name":"bsdutils","binary_version":"1:2.31.1-0.4ubuntu3.7"},{"binary_name":"fdisk","binary_version":"2.31.1-0.4ubuntu3.7"},{"binary_name":"libblkid1","binary_version":"2.31.1-0.4ubuntu3.7"},{"binary_name":"libfdisk1","binary_version":"2.31.1-0.4ubuntu3.7"},{"binary_name":"libmount1","binary_version":"2.31.1-0.4ubuntu3.7"},{"binary_name":"libsmartcols1","binary_version":"2.31.1-0.4ubuntu3.7"},{"binary_name":"libuuid1","binary_version":"2.31.1-0.4ubuntu3.7"},{"binary_name":"mount","binary_version":"2.31.1-0.4ubuntu3.7"},{"binary_name":"rfkill","binary_version":"2.31.1-0.4ubuntu3.7"},{"binary_name":"setpriv","binary_version":"2.31.1-0.4ubuntu3.7"},{"binary_version":"2.31.1-0.4ubuntu3.7","binary_name":"util-linux"},{"binary_name":"util-linux-locales","binary_version":"2.31.1-0.4ubuntu3.7"},{"binary_name":"uuid-runtime","binary_version":"2.31.1-0.4ubuntu3.7"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-14104.json"}},{"package":{"name":"util-linux","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/util-linux@2.34-0.1ubuntu9.6+esm1?arch=source&di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