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Fencer Intel
high 7.5

CVE-2012-5468 json

Heap-based buffer overflow in iconvert.c in the bogolexer component in Bogofilter before 1.2.3 allows remote attackers to cause a denial of…

published 2012-12-18 13 y ago modified 2026-06-16 4 mo ago also EUVD-2012-5387

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.3%
EPSS 6.3% chance of exploitation in 30 days, percentile 93%
public exploits
0
none known

Summary

Heap-based buffer overflow in iconvert.c in the bogolexer component in Bogofilter before 1.2.3 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via an email containing a base64 string that is decoded to incomplete multibyte characters.

Patch / fix

  • bogofilter Debian 14, Debian 13, Debian 12 1.2.2+dfsg1-2

debian advisories DEBIAN-CVE-2012-5468

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-2012-5468 updated cvss 7.5

bogofilter: Heap-based buffer overflow by decoding invalid base64 code (that decodes to incomplete multibyte characters)

  • 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

6.26% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • bogofilter.svn.sourceforge.net http://bogofilter.svn.sourceforge.net/viewvc/bogofilter?view=revision&revision=6975 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/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.