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CVE-2009-0749

HIGH
7.8

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.

CVE Details

CVSS v3.1 Score7.8
SeverityHIGH
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack VectorLOCAL
ComplexityLOW
Privileges RequiredNONE
User InteractionREQUIRED
Published3/2/2009
Last Modified4/23/2026
Sourcenvd
Honeypot Sightings0

Affected Products

opensuse:opensuseoptipng_project:optipngsuse:linux_enterprise

Weaknesses (CWE)

CWE-416

References

http://optipng.sourceforge.net(af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/34035(af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/34201(af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/34259(af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/35685(af854a3a-2127-422b-91ae-364da2661108)
http://www.gentoo.org/security/en/glsa/glsa-200903-12.xml(af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2009/02/24/2(af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2009/02/25/4(af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/33873(af854a3a-2127-422b-91ae-364da2661108)
http://www.vupen.com/english/advisories/2009/0510(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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