Skip to content
Fencer Intel
medium 6.8

CVE-2012-4527 json

Stack-based buffer overflow in mcrypt 2.6.8 and earlier allows user-assisted remote attackers to cause a denial of service (crash) and poss…

published 2012-11-21 13 y ago modified 2026-06-16 4 mo ago also EUVD-2012-4455

cvss
6.8
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
7.7%
EPSS 7.7% chance of exploitation in 30 days, percentile 94%
public exploits
0
none known

Summary

Stack-based buffer overflow in mcrypt 2.6.8 and earlier allows user-assisted remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long file name. NOTE: it is not clear whether this is a vulnerability.

Patch / fix

  • mcrypt Debian 14, Debian 13, Debian 12 2.6.8-1.3

debian advisories DEBIAN-CVE-2012-4527

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2012-4527 updated cvss 4.3

mcrypt: stack-based buffer overflow by encryption / decryption of overly long file names

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

7.71% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Intel 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.