CVE-2026-120431
highNetpbm before 10.86.51, 11.x before 11.02.29, and 11.03 before 11.15.07 contains a heap-based buffer overflow in sgitopnm's readChannels() function when proces…
Netpbm before 10.86.51, 11.x before 11.02.29, and 11.03 before 11.15.07 contains a heap-based buffer overflow in sgitopnm's readChannels() function when processing RLE-compressed SGI images. Attackers can supply crafted SGI files with oversized offset table lengths to write controlled data past the heap buffer, causing crashes or potential 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/5317/ disclosure@vulncheck.com
- https://svn.code.sf.net/p/netpbm/code/!svn/bc/5316/trunk/converter/other/sgitopnm.c disclosure@vulncheck.com
- https://svn.code.sf.net/p/netpbm/code/!svn/bc/5318/advanced/doc/HISTORY disclosure@vulncheck.com
- https://svn.code.sf.net/p/netpbm/code/!svn/bc/5319/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-10.86.51-11.02.29-and-11.15.07-sgitopnm... disclosure@vulncheck.com

