CVE-2026-120431
Netpbm before 10.86.51, 11.x before 11.02.29, and 11.03 before 11.15.07 contains a heap-based…
- Risk score
- 47/100
- CVSS
- 7.8 v3.1
- Published
- 2 Nov 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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, causin…
- Affected
- See advisory
- Fix
- Upgrade the product to 10.86.51, 11.02.29, 11.03 or 11.15.07 (whichever matches your release line), or later.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 7.8 high
References
- https://sourceforge.net/p/netpbm/code/5317/
- https://svn.code.sf.net/p/netpbm/code/!svn/bc/5316/trunk/converter/other/sgitopnm.c
- https://svn.code.sf.net/p/netpbm/code/!svn/bc/5318/advanced/doc/HISTORY
- https://svn.code.sf.net/p/netpbm/code/!svn/bc/5319/stable/doc/HISTORY
- https://svn.code.sf.net/p/netpbm/code/!svn/bc/5371/super_stable/doc/HISTORY
- https://www.vulncheck.com/advisories/netpbm-before-10.86.51-11.02.29-and-11.15.07-sgitopnm-heap-buffer-overflow
Original description
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.
Last activity 2 Nov 2026. Patch Forecast updates every hour.