{"id":"CVE-2026-120432","title":"Netpbm before 10.86.51, 11.02.30, and 11.15.08 Integer Overflow in winicontopam","summary":"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 …","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cvssSource":"cna","cwe":["CWE-190"],"vendor":"Netpbm","product":"Netpbm","affected":["Netpbm >= 10.63 < 10.86.51","Netpbm >= 11.0 < 11.02.30","Netpbm >= 11.03 < 11.15.08"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-11-02T17:10:13.937610Z"},"published":"2026-11-02","updated":"2026-11-02","sourceUpdated":"2026-11-02T17:34:33.382Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-120432","references":[{"url":"https://sourceforge.net/p/netpbm/code/5335/"},{"url":"https://svn.code.sf.net/p/netpbm/code/!svn/bc/5358/stable/doc/HISTORY"},{"url":"https://svn.code.sf.net/p/netpbm/code/!svn/bc/5357/advanced/doc/HISTORY"},{"url":"https://svn.code.sf.net/p/netpbm/code/!svn/bc/5371/super_stable/doc/HISTORY"},{"url":"https://svn.code.sf.net/p/netpbm/code/!svn/bc/5334/trunk/converter/other/winicontopam.c"},{"url":"https://www.vulncheck.com/advisories/netpbm-before-10.86.51-11.02.30-and-11.15.08-integer-overflow-in-winicontopam","label":"VulnCheck Advisory: Netpbm before 10.86.51, 11.02.30, and 11.15.08 Integer Overflow in winicontopam"}],"tags":["cve.org"],"epss":0.0017,"epssPercentile":0.06355,"ingestedAt":"2026-11-05T19:30:42.734Z","slug":"CVE-2026-120432","body":"## Overview\n\nNetpbm 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.\n\n## Affected\n\n- `Netpbm >= 10.63 < 10.86.51`\n- `Netpbm >= 11.0 < 11.02.30`\n- `Netpbm >= 11.03 < 11.15.08`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}