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Fencer Intel
medium 6.8

CVE-2010-4259 json

Stack-based buffer overflow in FontForge 20100501 allows remote attackers to cause a denial of service (application crash) or possibly exec…

published 2010-12-07 15 y ago modified 2026-06-16 4 mo ago also EUVD-2010-4232

cvss
6.8
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
10.9%
EPSS 10.9% chance of exploitation in 30 days, percentile 95%
public exploits
1
Exploit-DB

Summary

Stack-based buffer overflow in FontForge 20100501 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a long CHARSET_REGISTRY header in a BDF font file.

Patch / fix

  • fontforge Debian 14, Debian 13, Debian 12 0.0.20100501-4

debian advisories DEBIAN-CVE-2010-4259

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-2010-4259 updated cvss 4.3

FontForge: Stack-based buffer overflow by processing specially-crafted CHARSET_REGISTRY font file header

  • Red Hat Enterprise Linux 6 fontforge
    affected: no fix planned “Will not fix”

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

Timeline

  1. Published
  2. First public exploit (EDB-15732)

Exploit prediction

10.85% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-15732 FontForge - '.BDF' Font File Stack Buffer Overflow (PoC) dos, 2010-12-14
  • bugs.debian.org http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=605537 referenced PoC, tagged "exploit" by a source, unverified
  • bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=659359 referenced PoC, tagged "exploit" by a source, unverified
  • openwall.com http://openwall.com/lists/oss-security/2010/12/02/8 referenced PoC, tagged "exploit" by a source, unverified
  • openwall.com http://openwall.com/lists/oss-security/2010/12/02/5 referenced PoC, tagged "exploit" by a source, unverified

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.