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CVE-2012-4424

Stack-based buffer 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 that triggers a malloc failure and use of the alloca function.

Severity
Medium 5.1
Published
9 Oct 2013
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
3.4% in the next 30 daysHigher than 88% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Memory buffer errors (CWE-119)
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

Affected software

SoftwareAffected versions
GNU C LibraryServers and applications · cpe:a:gnu:glibc
  • Version 2.16
  • Version 2.15
  • Version 2.14.1
  • Version 2.14
All 26 release lines
  • Every version up to 2.17
  • 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 2.1.9
  • Version 2.10.1
  • Version 2.11
  • Version 2.11.1
  • Version 2.11.2
  • Version 2.11.3
  • Version 2.12.1
  • Version 2.12.2
  • Version 2.13
  • Version 2.14
  • Version 2.14.1
  • Version 2.15
  • Version 2.16

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2012-4424
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2012-4424