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Fencer Vulns
high 7.2

CVE-2005-4271 json

Buffer overflow in the malloc debug system in IBM AIX 5.3 allows local users to execute arbitrary code.

published 2005-12-15 20 y ago modified 2026-06-16 4 mo ago also EUVD-2005-4266

cvss
7.2
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 42%
public exploits
0
none known

Summary

Buffer overflow in the malloc debug system in IBM AIX 5.3 allows local users to execute arbitrary code.

Patch / fix

Exploit prediction

0.49% chance of exploitation in the next 30 days, higher than 42% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 7.2 AV:L/AC:L/Au:N/C:C/I:C/A:C

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.