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VULNERABILITIES

CVE-2026-120432 Details

Description

Netpbm 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.

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/5335/ [email protected]
https://svn.code.sf.net/p/netpbm/code/!svn/bc/5334/trunk/converter/other/winicontopam.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-190Integer Overflow or Wraparound[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-2026-120432
NVD Published Date:
Nov 2, 2026
NVD Last Modified:
Nov 2, 2026
Source:
[email protected]