CVE-2012-4432

Name: CVE-2012-4432
Creator: NVD / NIST
Published: 2012-10-01T03:26:16.353+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 5.24%

Last modified Jun 16, 2026

CVE-2012-4432 is a vulnerability of currently unknown severity. 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.". EPSS estimates a 5.24% chance of exploitation in the next 30 days.

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."

Metrics

EPSS Probability

5.24%

91.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-399

Affected Software

Vendor	Product	Versions
Optipng	Optipng	0.7.0
Optipng	Optipng	0.7.1
Optipng	Optipng	0.7.2
Optipng	Optipng	hg

References

http://optipng.hg.sourceforge.net/hgweb/optipng/optipng/rev/f1d5d44670a2Exploit
http://optipng.sourceforge.net/Patch, Vendor Advisory
http://secunia.com/advisories/50654Vendor Advisory
http://sourceforge.net/news/?group_id=151404
http://www.openwall.com/lists/oss-security/2012/09/17/5Exploit, Patch
http://www.openwall.com/lists/oss-security/2012/09/18/2Exploit, Patch
http://www.securityfocus.com/bid/55566
https://exchange.xforce.ibmcloud.com/vulnerabilities/78743
http://optipng.hg.sourceforge.net/hgweb/optipng/optipng/rev/f1d5d44670a2Exploit
http://optipng.sourceforge.net/Patch, Vendor Advisory
http://secunia.com/advisories/50654Vendor Advisory
http://sourceforge.net/news/?group_id=151404
http://www.openwall.com/lists/oss-security/2012/09/17/5Exploit, Patch
http://www.openwall.com/lists/oss-security/2012/09/18/2Exploit, Patch
http://www.securityfocus.com/bid/55566
https://exchange.xforce.ibmcloud.com/vulnerabilities/78743

Timeline

Published: Oct 1, 2012
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2012-4432?

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."

How severe is CVE-2012-4432?

Severity scoring for CVE-2012-4432 is pending analysis. The EPSS model estimates a 5.24% probability of exploitation in the next 30 days.

How do I fix CVE-2012-4432?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2012-4432?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST