CVE-2009-0749

7.8 HIGH
Published: March 02, 2009 Modified: April 23, 2026
View on NVD

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://optipng.sourceforge.net
Source: cve@mitre.org
Product
http://secunia.com/advisories/34035
Source: cve@mitre.org
Broken Link Vendor Advisory
http://secunia.com/advisories/34201
Source: cve@mitre.org
Broken Link
http://secunia.com/advisories/34259
Source: cve@mitre.org
Broken Link
http://secunia.com/advisories/35685
Source: cve@mitre.org
Broken Link
http://www.gentoo.org/security/en/glsa/glsa-200903-12.xml
Source: cve@mitre.org
Third Party Advisory
http://www.securityfocus.com/bid/33873
Source: cve@mitre.org
Broken Link Patch Third Party Advisory VDB Entry
http://www.vupen.com/english/advisories/2009/0510
Source: cve@mitre.org
Broken Link Patch Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/48879
Source: cve@mitre.org
Third Party Advisory VDB Entry
http://lists.opensuse.org/opensuse-security-announce/2009-03/msg00001.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List
http://optipng.sourceforge.net
Source: af854a3a-2127-422b-91ae-364da2661108
Product
http://secunia.com/advisories/34035
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link Vendor Advisory
http://secunia.com/advisories/34201
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
http://secunia.com/advisories/34259
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
http://secunia.com/advisories/35685
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
http://www.gentoo.org/security/en/glsa/glsa-200903-12.xml
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.openwall.com/lists/oss-security/2009/02/24/2
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List
http://www.openwall.com/lists/oss-security/2009/02/25/4
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List
http://www.securityfocus.com/bid/33873
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link Patch Third Party Advisory VDB Entry
http://www.vupen.com/english/advisories/2009/0510
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link Patch Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/48879
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry

28 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.8 / 10.0
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

optipng_project opensuse suse