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CVE-2011-3149
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…
Low2.1EPSS 0.53%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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).
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Low2.1 | AV:L/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 0.53% · top 55% of all CVEs (2 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 2.1.
Weakness
Affected products
n/a
- affected n/a
References (6)
- GLSA-201206-31 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- USN-1237-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- 46583 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 49711 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- https://bugs.launchpad.net/ubuntu/+source/pam/+bug/874565 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://git.fedorahosted.org/git/?p=linux-pam.git%3Ba=commitdiff%3Bh=109823cb621c900c07c4b6cdc99070d354d19444 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .