CVE-2012-4432

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2012-10-01 · updated 2026-06-16
Weakness: CWE-399

Description

Use-after-free vulnerability in opngreduc.c in OptiPNG Hg and 0.7.x before 0.7.3 might allow remote attackers to execute arbitrary code via unspecified vectors related to "palette reduction."

Affected products

Optipng: 0.7.0, 0.7.1, 0.7.2, hg

References

http://optipng.hg.sourceforge.net/hgweb/optipng/optipng/rev/f1d5d44670a2
http://optipng.sourceforge.net/
http://secunia.com/advisories/50654
http://sourceforge.net/news/?group_id=151404
http://www.openwall.com/lists/oss-security/2012/09/17/5
http://www.openwall.com/lists/oss-security/2012/09/18/2
http://www.securityfocus.com/bid/55566
https://exchange.xforce.ibmcloud.com/vulnerabilities/78743
http://optipng.hg.sourceforge.net/hgweb/optipng/optipng/rev/f1d5d44670a2
http://optipng.sourceforge.net/
http://secunia.com/advisories/50654
http://sourceforge.net/news/?group_id=151404

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