---
title: "CVE-2026-120432: Netpbm - Integer Overflow"
description: "Netpbm < 10.86.51, 11.02.30, and 11.15.08 contains an integer overflow caused by oversized ICO/CUR dimensions in winicontopam, letting attackers corrupt heap memory and potentially execute code, exploit requires crafted icon file."
url: https://panop.io/threat-heartbeat/CVE-2026-120432/
---

# CVE-2026-120432 Netpbm - Integer Overflow

Netpbm < 10.86.51, 11.02.30, and 11.15.08 contains an integer overflow caused by oversized ICO/CUR dimensions in winicontopam, letting attackers corrupt heap memory and potentially execute code, exploit requires crafted icon file.

CVSS base score 7.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-120432)

## Details

Type

Integer Overflow

Impact

Remote Code Execution, Denial Of Service

CVSS vector

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

Published

2 November 2026

Updated

3 November 2026

Weakness

[CWE-190](https://cwe.mitre.org/data/definitions/190.html)

## Vendor fix

Update to version 10.86.51, 11.02.30, 11.15.08 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-120432](https://nvd.nist.gov/vuln/detail/CVE-2026-120432)
- [https://svn.code.sf.net/p/netpbm/code/!svn/bc/5371/super\_stable/doc/HISTORY](https://svn.code.sf.net/p/netpbm/code/!svn/bc/5371/super_stable/doc/HISTORY)
- [https://www.vulncheck.com/advisories/netpbm-before-10.86.51-11.02.30-and-11.15.08-integer-overflow-in-winicontopam](https://www.vulncheck.com/advisories/netpbm-before-10.86.51-11.02.30-and-11.15.08-integer-overflow-in-winicontopam)
- [https://sourceforge.net/p/netpbm/code/5335/](https://sourceforge.net/p/netpbm/code/5335/)
- [https://svn.code.sf.net/p/netpbm/code/!svn/bc/5334/trunk/converter/other/winicontopam.c](https://svn.code.sf.net/p/netpbm/code/!svn/bc/5334/trunk/converter/other/winicontopam.c)
- [https://svn.code.sf.net/p/netpbm/code/!svn/bc/5357/advanced/doc/HISTORY](https://svn.code.sf.net/p/netpbm/code/!svn/bc/5357/advanced/doc/HISTORY)
- [https://svn.code.sf.net/p/netpbm/code/!svn/bc/5358/stable/doc/HISTORY](https://svn.code.sf.net/p/netpbm/code/!svn/bc/5358/stable/doc/HISTORY)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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