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VULNERABILITIES

CVE-2026-120434 Details

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.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://sourceforge.net/p/netpbm/code/5331/ [email protected]
https://svn.code.sf.net/p/netpbm/code/!svn/bc/5330/trunk/converter/ppm/picttoppm.c [email protected]
https://svn.code.sf.net/p/netpbm/code/!svn/bc/5357/advanced/doc/HISTORY [email protected]
https://svn.code.sf.net/p/netpbm/code/!svn/bc/5358/stable/doc/HISTORY [email protected]
https://svn.code.sf.net/p/netpbm/code/!svn/bc/5371/super_stable/doc/HISTORY [email protected]

see all 6 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-121Stack-based Buffer Overflow[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-120434
NVD Published Date:
Nov 2, 2026
NVD Last Modified:
Nov 5, 2026
Source:
[email protected]