CVE-2012-4432

CVE-2012-4432 is a high-severity vulnerability in Optipng with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-399.

Key facts

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."

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?
CVE-2012-4432 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2012-4432 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-4432?
CVE-2012-4432 primarily affects Optipng. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-4432?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2012-4432 published?
CVE-2012-4432 was published on 2012-10-01 and last updated on 2026-06-16.

References

Affected products (4)

More vulnerabilities in Optipng

All CVEs affecting Optipng →

Other CWE-399 (Resource Management Errors) vulnerabilities

Browse all CWE-399 (Resource Management Errors) vulnerabilities →