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CVE-2011-1071

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…

Severity
Medium 5.1
Published
8 Apr 2011
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
14% in the next 30 daysHigher than 96% of CVEs. EPSS by FIRST, 13 Nov 2026
Weakness
CWE-399
Attack
Over the network · Only under certain conditions · No login needed
Attacker can
Read some data · Change some data · Slow it down
CVSS vector
AV:N/AC:H/Au:N/C:P/I:P/A:P
Sources
NVD

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.

From NVD.

Affected software

SoftwareAffected versions
GNU C LibraryServers and applications · cpe:a:gnu:glibc
  • Version 2.12.0
  • Version 2.11.3
  • Version 2.11.2
  • Version 2.11.1
All 56 release lines
  • Every version up to 2.12.1
  • Version 1.00
  • Version 1.01
  • Version 1.02
  • Version 1.03
  • Version 1.04
  • Version 1.05
  • Version 1.06
  • Version 1.07
  • Version 1.08
  • Version 1.09
  • Version 1.09.1
  • Version 2.0
  • Version 2.0.1
  • Version 2.0.2
  • Version 2.0.3
  • Version 2.0.4
  • Version 2.0.5
  • Version 2.0.6
  • Version 2.1
  • Version 2.1.1
  • Version 2.1.1.6
  • Version 2.1.2
  • Version 2.1.3
  • Version 2.1.3.10
  • Version 2.1.9
  • Version 2.2
  • Version 2.2.1
  • Version 2.2.2
  • Version 2.2.3
  • Version 2.2.4
  • Version 2.2.5
  • Version 2.3
  • Version 2.3.1
  • Version 2.3.2
  • Version 2.3.3
  • Version 2.3.4
  • Version 2.3.5
  • Version 2.3.6
  • Version 2.3.10
  • Version 2.4
  • Version 2.5
  • Version 2.5.1
  • Version 2.6
  • Version 2.6.1
  • Version 2.7
  • Version 2.8
  • Version 2.9
  • Version 2.10
  • Version 2.10.1
  • Version 2.10.2
  • Version 2.11
  • Version 2.11.1
  • Version 2.11.2
  • Version 2.11.3
  • Version 2.12.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2011-1071
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2011-1071