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Vulnerability record · CVE-2012-4432 · published 1 October 2012

CVE-2012-4432: Optipng vulnerability

Optipng · Optipng

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."

7.5 CVSS 2.0 High EPSS 5.2% · top 7.8% CWE-399 · CWE-399
7.5CVSS 2.0 base score
5.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
16References, 6 tagged exploit
16 Jun 2026Last modified by NVD

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."

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2012-4432), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.