kbrain

CVE-2011-3149

LOW · CVSS 2.1EPSS 0.5%EU EUVD

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).

Key facts

CVSS score
2.1 (v2.0)
Severity
LOW
CVSS vector
AV:L/AC:L/Au:N/C:N/I:N/A:P
Weakness (CWE)
CWE-119
EPSS score
0.5% (45th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2011-3116)
Published
July 22, 2012
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-3116 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

  • linux-pam / linux-pam
  • linux-pam / linux-pam
  • linux-pam / linux-pam
  • linux-pam / linux-pam
  • linux-pam / linux-pam
  • linux-pam / linux-pam
  • linux-pam / linux-pam
  • linux-pam / linux-pam
  • linux-pam / linux-pam
  • linux-pam / linux-pam
  • linux-pam / linux-pam
  • linux-pam / linux-pam
  • linux-pam / linux-pam
  • linux-pam / linux-pam
  • linux-pam / linux-pam
  • linux-pam / linux-pam
  • linux-pam / linux-pam
  • linux-pam / linux-pam
  • linux-pam / linux-pam
  • linux-pam / linux-pam
  • linux-pam / linux-pam
  • linux-pam / linux-pam
  • linux-pam / linux-pam
  • linux-pam / linux-pam
  • linux-pam / linux-pam
  • linux-pam / linux-pam

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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