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CVE-2013-3951

MEDIUM · CVSS 4.6EPSS 0.5%EU EUVD

sys/openbsd/stack_protector.c in libc in Apple iOS 6.1.3 and Mac OS X 10.8.x does not properly parse the Apple strings employed in the user-space stack-cookie implementation, which allows local users to bypass cookie randomization by executing a program with a call-path beginning with the stack-guard= substring, as demonstrated by an iOS untethering attack or an attack against a setuid Mac OS X program.

Key facts

CVSS score
4.6 (v2.0)
Severity
MEDIUM
CVSS vector
AV:L/AC:L/Au:N/C:P/I:P/A:P
Weakness (CWE)
CWE-20
EPSS score
0.5% (40th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2013-3883)
Published
June 5, 2013
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2013-3883 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

  • apple / iphone os
  • apple / iphone os
  • apple / mac os x
  • apple / mac os x
  • apple / mac os x
  • apple / mac os x
  • apple / mac os x
  • apple / mac os x
  • apple / watchos

Certified products that may be affected

2 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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