Public Date:
855385: CVE-2012-4412 glibc: strcoll() integer overflow leading to buffer overflow

The MITRE CVE dictionary describes this issue as:

Integer overflow in string/strcoll_l.c in the GNU C Library (aka glibc or libc6) 2.17 and earlier allows context-dependent attackers to cause a denial of service (crash) or possibly execute arbitrary code via a long string, which triggers a heap-based buffer overflow.

Find out more about CVE-2012-4412 from the MITRE CVE dictionary dictionary and NIST NVD.


This issue affects the version of glibc as shipped with Red Hat Enterprise Linux 5 and 6. The Red Hat Security Response Team has rated this issue as having moderate security impact, a future update may address this flaw.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 4.4
Base Metrics AV:L/AC:M/Au:N/C:P/I:P/A:P
Access Vector Local
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 5 glibc Fix deferred
Red Hat Enterprise Linux 7 glibc Not affected
Red Hat Enterprise Linux 6 glibc Fix deferred