{"id":"DEBIAN-CVE-2011-3149","details":"The _expand_arg function in the pam_env module (modules/pam_env/pam_env.c) in Linux-PAM (aka pam) before 1.1.5 does not properly handle when environment variable expansion can overflow, which allows local users to cause a denial of service (CPU consumption).","modified":"2026-04-28T20:07:01.503338Z","published":"2012-07-22T17:55:01.103Z","upstream":["CVE-2011-3149"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2011-3149"}],"affected":[{"package":{"name":"pam","ecosystem":"Debian:11","purl":"pkg:deb/debian/pam?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.3-5"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2011-3149.json"}},{"package":{"name":"pam","ecosystem":"Debian:12","purl":"pkg:deb/debian/pam?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.3-5"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2011-3149.json"}},{"package":{"name":"pam","ecosystem":"Debian:13","purl":"pkg:deb/debian/pam?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.3-5"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2011-3149.json"}},{"package":{"name":"pam","ecosystem":"Debian:14","purl":"pkg:deb/debian/pam?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.3-5"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2011-3149.json"}}],"schema_version":"1.7.5"}