CVE-2026-120432

NameCVE-2026-120432
DescriptionNetpbm before 10.86.51, 11.02.30, and 11.15.08 contains an integer overflow vulnerability in winicontopam that allows attackers to corrupt heap memory via oversized ICO/CUR dimensions. Attackers can supply a crafted icon file with width or height above 32767, wrapping int16_t loop counters into negative row buffer indices to cause crashes or potential code execution.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
netpbm-free (PTS)bookworm2:11.01.00-2vulnerable
trixie2:11.10.02-1vulnerable
forky, sid2:11.13.03+ds-2vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
netpbm-freesource(unstable)(unfixed)

Notes

https://sourceforge.net/p/netpbm/code/5335/

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