CVE-2026-120433: fallo de gravedad alta en Netpbm
Netpbm before 10.86.51, 11.02.30, and 11.15.08 picttoppm Stack Buffer Overflow via paintPoly
Publicada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
21Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 8.5epss 0.2%
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 the picttoppm paintPoly() function due to an unbounded polygon point count. Attackers can supply a crafted PICT file with a polygon exceeding 100 points to overwrite the fixed pts array, causing crashes or potentially code execution.
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Productos afectados
Netpbm · NetpbmCVEs relacionadas — Netpbm
En el mismo producto, de las más peligrosas a las menos.
CVE-2026-112276MEDIUMNetpbm through 11.16.00 Heap Out-of-Bounds Read via rasttopnm ColormapEPSS 0.2%CVE-2026-120436HIGHNetpbm before 10.86.51, 11.02.30, and 11.15.08 Heap Overflow via jbigtopnmEPSS 0.2%CVE-2026-120432HIGHNetpbm before 10.86.51, 11.02.30, and 11.15.08 Integer Overflow in winicontopamEPSS 0.2%CVE-2026-120437MEDIUMNetpbm before 10.86.51, 11.02.30, and 11.15.08 Out-of-Bounds Read via tgatoppmEPSS 0.2%CVE-2026-120435HIGHNetpbm before 10.86.51, 11.02.30, and 11.15.08 Heap Overflow in xpmtoppmEPSS 0.1%CVE-2026-120434HIGHNetpbm before 10.86.51, 11.02.30, and 11.15.08 picttoppm Stack Overflow via scanPolyEPSS 0.1%
Referencias
https://sourceforge.net/p/netpbm/code/5328/https://svn.code.sf.net/p/netpbm/code/!svn/bc/5327/trunk/converter/ppm/picttoppm.chttps://svn.code.sf.net/p/netpbm/code/!svn/bc/5357/advanced/doc/HISTORYhttps://svn.code.sf.net/p/netpbm/code/!svn/bc/5358/stable/doc/HISTORYhttps://svn.code.sf.net/p/netpbm/code/!svn/bc/5371/super_stable/doc/HISTORYhttps://www.vulncheck.com/advisories/netpbm-before-10.86.51-11.02.30-and-11.15.08-picttoppm-stack-buffer-overflow-via-paintpoly