CVE-2009-5018

Severity: medium (CVSS 6.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 10.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2011-01-14 · updated 2026-06-16
Weakness: CWE-119

Description

Stack-based buffer overflow in gif2png.c in gif2png 2.5.3 and earlier might allow context-dependent attackers to execute arbitrary code via a long command-line argument, as demonstrated by a CGI program that launches gif2png.

Affected products

Catb Gif2Png: through 2.5.3; 0.99, 1.0.0, 1.1.0, 1.1.1, 1.2.0, 1.2.1 (+29)

References

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=550978
http://bugs.gentoo.org/show_bug.cgi?id=346501
http://cvs.fedoraproject.org/viewvc/rpms/gif2png/devel/gif2png-overflow.patch?root=extras&view=log
http://lists.fedoraproject.org/pipermail/package-announce/2010-November/051229.html
http://lists.grok.org.uk/pipermail/full-disclosure/2009-December/072009.html
http://openwall.com/lists/oss-security/2010/11/21/1
http://openwall.com/lists/oss-security/2010/11/22/1
http://openwall.com/lists/oss-security/2010/11/22/12
http://openwall.com/lists/oss-security/2010/11/22/3
http://secunia.com/advisories/42796
http://security.gentoo.org/glsa/glsa-201101-01.xml
http://www.mandriva.com/security/advisories?name=MDVSA-2011:009

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