CVE detail
CVE-2011-3149 — CVE-2011-3149
Published 2012-07-22 · Modified 2026-06-16 · Vendor linux-pam · Product linux-pam · Source nvd
UNKNOWN
severity
CVSS-derived band
0.0053
EPSS probability
exploitation probability, 30d
42.0%
EPSS percentile
percentile vs all CVEs
NOT LISTED
CISA KEV
known exploited catalog
Description
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).
Remediation
No vendor-published fix data in our corpus for this CVE. Check the references below or the vendor's PSIRT / security advisories page.
References