CVE-2012-0864

Severity: medium (CVSS 6.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2013-05-02 · updated 2026-06-16
Weakness: CWE-189

Description

Integer overflow in the vfprintf function in stdio-common/vfprintf.c in glibc 2.14 and other versions allows context-dependent attackers to bypass the FORTIFY_SOURCE protection mechanism, conduct format string attacks, and write to arbitrary memory via a large number of arguments.

Affected products

GNU C Library (glibc): 2.14

References

http://rhn.redhat.com/errata/RHSA-2012-0393.html
http://rhn.redhat.com/errata/RHSA-2012-0397.html
http://rhn.redhat.com/errata/RHSA-2012-0488.html
http://rhn.redhat.com/errata/RHSA-2012-0531.html
http://sourceware.org/git/?p=glibc.git%3Ba=commitdiff%3Bh=7c1f4834d398163d1ac8101e35e9c36fc3176e6e
http://sourceware.org/ml/libc-alpha/2012-02/msg00023.html
http://www.phrack.org/issues.html?issue=67&id=9#article
http://www.securityfocus.com/bid/52201
https://bugzilla.redhat.com/show_bug.cgi?id=794766
http://rhn.redhat.com/errata/RHSA-2012-0393.html
http://rhn.redhat.com/errata/RHSA-2012-0397.html
http://rhn.redhat.com/errata/RHSA-2012-0488.html

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