CVE-2012-4432

high
Published 2012-10-01 · Modified 2026-04-29
CVSS v3
CVSS v2
7.5
VIR risk
7.5

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."

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2012-4432

vendor Authored 2026-05-27

Vendor advisory: secalert@redhat.com — http://www.openwall.com/lists/oss-security/2012/09/18/2

vendor Authored 2026-05-27

Vendor advisory: secalert@redhat.com — http://www.openwall.com/lists/oss-security/2012/09/17/5

vendor Authored 2026-05-27

Vendor advisory: secalert@redhat.com — http://secunia.com/advisories/50654

vendor Authored 2026-05-27

Vendor advisory: secalert@redhat.com — http://optipng.sourceforge.net/

OS impact

OSVersionStatusFixed in
debian debianbookwormfixed0
debian debianbullseyefixed0
debian debianforkyfixed0
debian debiansidfixed0
debian debiantrixiefixed0

Application impact

VendorProductVersionsFixed
optipngoptipng0.7.0
optipngoptipng0.7.1
optipngoptipng0.7.2
optipngoptipnghg

References

CWEs

CWE-399

Verify integrity in audit chain (admin only). AS-IS.