CVE-2006-0747

Freetype < 2.1 - Denial of Service via Integer Underflow in Blue Values Processing

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2006-0747. PoCs published by Josh Bressers.

AI-analyzed exploit summary The provided text describes a buffer overflow vulnerability in FreeType due to an integer underflow, allowing remote code execution in applications using the library. It references a binary exploit but does not contain actual exploit code.

Description

Integer underflow in Freetype before 2.2 allows remote attackers to cause a denial of service (crash) via a font file with an odd number of blue values, which causes the underflow when decrementing by 2 in a context that assumes an even number of values.

Exploits (1)

exploitdb WRITEUP VERIFIED
by Josh Bressers · textremoteunix
https://www.exploit-db.com/exploits/27992

The provided text describes a buffer overflow vulnerability in FreeType due to an integer underflow, allowing remote code execution in applications using the library. It references a binary exploit but does not contain actual exploit code.

Classification
Writeup 90%
Attack Type
Rce
Complexity
Moderate
Reliability
Theoretical
Target: FreeType versions prior to 2.2.1
No auth needed
Prerequisites: Vulnerable FreeType library in use by an application processing attacker-controlled input
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (29)

Core 29
Core References
Vendor Advisory x_refsource_confirm
http://support.apple.com/kb/HT3549
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/21701
Vendor Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/291-1/
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/21385
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/35074
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/436836/100/0/threaded
Third Party Advisory, VDB Entry vdb-entry signature x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9508
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/18326
Vendor Advisory vendor-advisory x_refsource_mandriva
http://www.mandriva.com/security/advisories?name=MDKSA-2006:099
Various Sources vendor-advisory x_refsource_suse
http://lists.suse.com/archive/suse-security-announce/2006-Jun/0012.html
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/20791
Vendor Advisory vendor-advisory x_refsource_sunalert
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102705-1
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/20525
Mailing List vendor-advisory x_refsource_apple
http://lists.apple.com/archives/security-announce/2009/May/msg00002.html
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/21135
Vendor Advisory vendor-advisory x_refsource_redhat
http://www.redhat.com/support/errata/RHSA-2006-0500.html
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/23939
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/20591
US Government Resource third-party-advisory x_refsource_cert
http://www.us-cert.gov/cas/techalerts/TA09-133A.html
Vendor Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2009/1297
Vendor 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?1016522
Vendor Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2007/0381
Issue Tracking x_refsource_confirm
https://issues.rpath.com/browse/RPL-429
Vendor Advisory vendor-advisory x_refsource_sgi
ftp://patches.sgi.com/support/free/security/advisories/20060701-01-U
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/21062
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2006/dsa-1095

Scores

EPSS 0.1188
EPSS Percentile 95.6%

Details

CWE
CWE-189
Status published
Products (1)
freetype/freetype < 2.1
Published May 23, 2006
Tracked Since Feb 18, 2026