CVE-2026-120434

HighCVSS 7.8/10Last modified Nov 5, 2026

Description

Netpbm before 10.86.51, 11.x before 11.02.30, and 11.03 before 11.15.08 contains a stack-based buffer overflow in picttoppm's scanPoly() function in converter/ppm/picttoppm.c. Attackers can supply a crafted PICT file whose polygon edges produce more than 5000 points, overflowing the coord stack array to crash the converter or potentially execute code.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-121

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
Netpbm	Netpbm	< 10.86.51; >= 11.0, < 11.02.30; >= 11.03, < 11.15.08

References

Timeline

Published: Nov 2, 2026
Last modified: Nov 5, 2026
NVD status: Awaiting Analysis

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