CVE-2026-120435
highNetpbm 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-pix…
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.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://sourceforge.net/p/netpbm/code/5336/ disclosure@vulncheck.com
- https://svn.code.sf.net/p/netpbm/code/!svn/bc/5335/trunk/converter/ppm/xpmtoppm.c disclosure@vulncheck.com
- https://svn.code.sf.net/p/netpbm/code/!svn/bc/5357/advanced/doc/HISTORY disclosure@vulncheck.com
- https://svn.code.sf.net/p/netpbm/code/!svn/bc/5358/stable/doc/HISTORY disclosure@vulncheck.com
- https://svn.code.sf.net/p/netpbm/code/!svn/bc/5371/super_stable/doc/HISTORY disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/netpbm-before-10.86.51-11.02.30-and-11.15.08-heap-ove... disclosure@vulncheck.com