CVE-2010-4259

medium

Published 2010-12-07 · Modified 2026-04-29

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CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

7.8

Description

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.

Predictions

Exploit likelihood

20%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-15732 dos linux

Ulrik Persson · 2010-12-14

FontForge - '.BDF' Font File Stack Buffer Overflow (PoC)

Source code queued for fetch — refresh in a moment.

OS impact

Debian Fixed 5 releases

Version	Status	Fixed in
trixie	Fixed	`0.0.20100501-4`
sid	Fixed	`0.0.20100501-4`
forky	Fixed	`0.0.20100501-4`
bullseye	Fixed	`0.0.20100501-4`
bookworm	Fixed	`0.0.20100501-4`

Application impact

Vendor	Product	Versions	Fixed
alexej_kryukov	fontforge	`20100501`

References

CWEs

CWE-119

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.