[ CVE-2026-120435 · 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 heap buffer overflow in xpmtoppm caused by an unvalidated characters-per-pixel value in the XPM header. Attackers can supply a crafted XPM file with characters-per-pixel greater than 3 to overrun fixed 3-byte colorName hash entries, causing crashes or potentially code execution.
[ 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/5336
- svn.code.sf.net/p/netpbm/code/!svn/bc/5335/trunk/converter/ppm/xpmtoppm.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-heap-overflow…