Unrated severityNVD Advisory· Published Oct 1, 2012· Updated Apr 29, 2026

CVE-2012-4432

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/Optipng4 versions
cpe:2.3:a:optipng:optipng:0.7.0:*:*:*:*:*:*:*+ 3 more
- cpe:2.3:a:optipng:optipng:0.7.0:*:*:*:*:*:*:*
- cpe:2.3:a:optipng:optipng:0.7.1:*:*:*:*:*:*:*
- cpe:2.3:a:optipng:optipng:0.7.2:*:*:*:*:*:*:*
- cpe:2.3:a:optipng:optipng:hg:*:*:*:*:*:*:*

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

optipng.sourceforge.netnvdPatchVendor Advisory
optipng.hg.sourceforge.net/hgweb/optipng/optipng/rev/f1d5d44670a2nvdExploit
www.openwall.com/lists/oss-security/2012/09/17/5nvdExploitPatch
www.openwall.com/lists/oss-security/2012/09/18/2nvdExploitPatch
secunia.com/advisories/50654nvdVendor Advisory
sourceforge.net/news/nvd
www.securityfocus.com/bid/55566nvd
exchange.xforce.ibmcloud.com/vulnerabilities/78743nvd

News mentions

No linked articles in our index yet.

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epss	0.003
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000