CVE-2009-0749

HIGH

OptiPNG < 0.6.2 - Use-After-Free in GIFReadNextExtension

Title source: llm
STIX 2.1

Description

Use-after-free vulnerability in the GIFReadNextExtension function in lib/pngxtern/gif/gifread.c in OptiPNG 0.6.2 and earlier allows context-dependent attackers to cause a denial of service (application crash) via a crafted GIF image that causes the realloc function to return a new pointer, which triggers memory corruption when the old pointer is accessed.

References (14)

Core 14
Core References
Broken Link third-party-advisory x_refsource_secunia
http://secunia.com/advisories/34201
Broken Link third-party-advisory x_refsource_secunia
http://secunia.com/advisories/34259
Broken Link, Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/34035
Broken Link, Patch, Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/33873
Broken Link, Patch, Vendor Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2009/0510
Product x_refsource_confirm
http://optipng.sourceforge.net
Broken Link third-party-advisory x_refsource_secunia
http://secunia.com/advisories/35685
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2009/02/24/2
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2009/02/25/4
Third Party Advisory vendor-advisory x_refsource_gentoo
http://www.gentoo.org/security/en/glsa/glsa-200903-12.xml
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/48879

Scores

CVSS v3 7.8
EPSS 0.0041
EPSS Percentile 61.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-416
Status published
Products (3)
opensuse/opensuse 10.3 - 11.1
optipng_project/optipng < 0.6.2
suse/linux_enterprise 9-11
Published Mar 02, 2009
Tracked Since Feb 18, 2026