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CVE-2013-3954

MEDIUM · CVSS 6.9EPSS 0.4%EU EUVD

The posix_spawn system call in the XNU kernel in Apple Mac OS X 10.8.x does not properly validate the data for file actions and port actions, which allows local users to (1) cause a denial of service (panic) via a size value that is inconsistent with a header count field, or (2) obtain sensitive information from kernel heap memory via a certain size value in conjunction with a crafted buffer.

Key facts

CVSS score
6.9 (v2.0)
Severity
MEDIUM
CVSS vector
AV:L/AC:M/Au:N/C:C/I:C/A:C
Weakness (CWE)
CWE-20
EPSS score
0.4% (36th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2013-3886)
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-2013-3886 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 / iphone os
  • apple / iphone os
  • apple / iphone os
  • apple / iphone os
  • apple / iphone os
  • apple / iphone os
  • apple / iphone os
  • apple / iphone os
  • apple / iphone os
  • apple / iphone os
  • apple / iphone os
  • apple / iphone os
  • apple / iphone os
  • apple / iphone os
  • apple / iphone os
  • apple / iphone os
  • apple / iphone os
  • apple / iphone os
  • apple / iphone os
  • apple / iphone os
  • apple / iphone os
  • apple / iphone os
  • apple / iphone os
  • apple / iphone os
  • apple / iphone os
  • apple / iphone os
  • apple / iphone os
  • apple / iphone os
  • apple / iphone os
  • apple / iphone os
  • apple / iphone os
  • apple / iphone os
  • apple / iphone os
  • apple / iphone os
  • apple / iphone os
  • apple / iphone os
  • apple / iphone os
  • apple / iphone os
  • apple / iphone os
  • apple / iphone os
  • apple / iphone os
  • apple / iphone os
  • apple / iphone os
  • apple / iphone os
  • apple / iphone os
  • apple / iphone os
  • apple / mac os x
  • apple / mac os x

and 3 more…

References

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

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