What is CVE-2011-2168?

CVE-2011-2168 is a vulnerability in OpenBSD, classified under CWE-189. Published 2011-05-24.

Is CVE-2011-2168 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in OpenBSD

CVE-2011-2168

Multiple integer overflows in the glob implementation in libc in OpenBSD before 4.9 might allow context-dependent attackers to have an unspecified impact via a crafted string, related to the GLOB_APPEND and GLOB_DOOFFS flags, a different issue than CVE-2011-0418.

Published 2011-05-24 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.011 (64.1th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 64.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

OpenBSD — versions 2.0, 2.1, 2.2

Weakness classification (CWE)

CWE-189

Public proof-of-concept exploits

Makarov-Denis/13_

References

www.openbsd.org/cgi-bin/cvsweb/src/lib/libc/gen/glob.c.diff
www.securityfocus.com/bid/48004 (vdb-entry)
securityreason.com/achievement_securityalert/97 (third-party-advisory)
www.openbsd.org/cgi-bin/cvsweb/src/lib/libc/gen/glob.c (Patch)

Frequently asked questions

What is CVE-2011-2168?: CVE-2011-2168 is a vulnerability in OpenBSD, classified under CWE-189. Published 2011-05-24.
Is CVE-2011-2168 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.