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Fencer Vulns
medium 4.9

CVE-2009-1237 json

Multiple memory leaks in XNU 1228.3.13 and earlier on Apple Mac OS X 10.5.6 and earlier allow local users to cause a denial of service (ker…

published 2009-04-02 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-1236

cvss
4.9
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 60%
public exploits
2
Exploit-DB

Summary

Multiple memory leaks in XNU 1228.3.13 and earlier on Apple Mac OS X 10.5.6 and earlier allow local users to cause a denial of service (kernel memory consumption) via a crafted (1) SYS_add_profil or (2) SYS___mac_getfsstat system call.

Timeline

  1. First public exploit (EDB-8264)
  2. Published

Exploit prediction

0.91% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-8264 Apple Mac OSX xnu 1228.3.13 - 'Profil' Kernel Memory Leak/Denial of Service (PoC) dos, 2009-03-23
  • EDB-8263 Apple Mac OSX xnu 1228.3.13 - 'macfsstat' Local Kernel Memory Leak/Denial of Service dos, 2009-03-23
  • securityfocus.com http://www.securityfocus.com/bid/34202 referenced PoC, tagged "exploit" by a source, unverified
  • digit-labs.org http://www.digit-labs.org/files/exploits/xnu-macfsstat-leak.c referenced PoC, tagged "exploit" by a source, unverified
  • digit-labs.org http://www.digit-labs.org/files/exploits/xnu-profil-leak.c referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 4.9 AV:L/AC:L/Au:N/C:N/I:N/A:C

Classification

Weakness
  • CWE-399 Resource Management Errors

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.