CVE-2011-1071

Severity: medium (CVSS 5.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 14.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2011-04-08 · updated 2026-06-16
Weakness: CWE-399

Description

The GNU C Library (aka glibc or libc6) before 2.12.2 and Embedded GLIBC (EGLIBC) allow context-dependent attackers to execute arbitrary code or cause a denial of service (memory consumption) via a long UTF8 string that is used in an fnmatch call, aka a "stack extension attack," a related issue to CVE-2010-2898, CVE-2010-1917, and CVE-2007-4782, as originally reported for use of this library by Google Chrome.

Affected products

GNU Eglibc: all versions
GNU C Library (glibc): through 2.12.1; 1.00, 1.01, 1.02, 1.03, 1.04, 1.05 (+49)

References

http://bugs.debian.org/615120
http://code.google.com/p/chromium/issues/detail?id=48733
http://openwall.com/lists/oss-security/2011/02/26/3
http://openwall.com/lists/oss-security/2011/02/28/11
http://openwall.com/lists/oss-security/2011/02/28/15
http://scarybeastsecurity.blogspot.com/2011/02/i-got-accidental-code-execution-via.html
http://seclists.org/fulldisclosure/2011/Feb/635
http://seclists.org/fulldisclosure/2011/Feb/644
http://secunia.com/advisories/43492
http://secunia.com/advisories/43830
http://secunia.com/advisories/43989
http://secunia.com/advisories/46397

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