CVE-2006-2661

Freetype < 2.2 - Denial of Service via Crafted Font File

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2006-2661. PoCs published by Josh Bressers.

AI-analyzed exploit summary The provided text describes a denial-of-service vulnerability in FreeType versions prior to 2.2.1, caused by a NULL-pointer dereference. No actual exploit code is included, only a reference to a binary exploit hosted externally.

Description

ftutil.c in Freetype before 2.2 allows remote attackers to cause a denial of service (crash) via a crafted font file that triggers a null dereference.

Exploits (1)

exploitdb WRITEUP VERIFIED
by Josh Bressers · textdosmultiple
https://www.exploit-db.com/exploits/27993

The provided text describes a denial-of-service vulnerability in FreeType versions prior to 2.2.1, caused by a NULL-pointer dereference. No actual exploit code is included, only a reference to a binary exploit hosted externally.

Classification
Writeup 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Theoretical
Target: FreeType versions prior to 2.2.1
No auth needed
Prerequisites: Application using vulnerable FreeType library · Ability to deliver malformed input to the application
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (24)

Core 24
Core References
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/20791
Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=183676
Broken Link vendor-advisory x_refsource_sunalert
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102705-1
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/18329
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/20525
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/21701
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/291-1/
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/21385
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/436836/100/0/threaded
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/21135
Third Party Advisory vendor-advisory x_refsource_redhat
http://www.redhat.com/support/errata/RHSA-2006-0500.html
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/23939
Third Party Advisory x_refsource_confirm
http://support.avaya.com/elmodocs2/security/ASA-2006-176.htm
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/20591
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/20638
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://securitytracker.com/id?1016520
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2007/0381
Broken Link x_refsource_confirm
https://issues.rpath.com/browse/RPL-429
Broken Link vendor-advisory x_refsource_sgi
ftp://patches.sgi.com/support/free/security/advisories/20060701-01-U
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/21062
Third Party Advisory vendor-advisory x_refsource_mandriva
http://www.mandriva.com/security/advisories?name=MDKSA-2006:099
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2006/dsa-1095

Scores

EPSS 0.1617
EPSS Percentile 96.5%

Details

CWE
CWE-476
Status published
Products (6)
canonical/ubuntu_linux 5.04
canonical/ubuntu_linux 5.10
canonical/ubuntu_linux 6.06
debian/debian_linux 3.0
debian/debian_linux 3.1
freetype/freetype < 2.2
Published May 30, 2006
Tracked Since Feb 18, 2026