[ CVE-2026-120434 · Published 2 Nov 2026 ]
Vulnerability in Netpbm
CVSS 7.8
EPSS <1%No fix listed yet
[ Description ]Official 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.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.
[ References ]References
- sourceforge.net/p/netpbm/code/5331
- svn.code.sf.net/p/netpbm/code/!svn/bc/5330/trunk/converter/ppm/picttoppm.c
- svn.code.sf.net/p/netpbm/code/!svn/bc/5357/advanced/doc/HISTORY
- svn.code.sf.net/p/netpbm/code/!svn/bc/5358/stable/doc/HISTORY
- svn.code.sf.net/p/netpbm/code/!svn/bc/5371/super_stable/doc/HISTORY
- www.vulncheck.com/advisories/netpbm-before-10.86.51-11.02.30-and-11.15.08-picttoppm-sta…