CVE-2026-120433
Netpbm before 10.86.51, 11.x before 11.02.30, and 11.03 before 11.15.08 contains a stack-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 11.02.30, and 11.03 before 11.15.08 contains a stack-based buffer overflow in the picttoppm paintPoly() function due to an unbounded polygon point count. Attackers can supply a crafted PICT file with a polygon exceeding 100 points to overwrite the fixed pts array, causing crashes or…
- Affected
- See advisory
- Fix
- Upgrade the product to 10.86.51, 11.02.30, 11.03 or 11.15.08 (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/5328/
- https://svn.code.sf.net/p/netpbm/code/!svn/bc/5327/trunk/converter/ppm/picttoppm.c
- https://svn.code.sf.net/p/netpbm/code/!svn/bc/5357/advanced/doc/HISTORY
- https://svn.code.sf.net/p/netpbm/code/!svn/bc/5358/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-10.86.51-11.02.30-and-11.15.08-picttoppm-stack-buffer-overflow-via-paintpoly
Original 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 the picttoppm paintPoly() function due to an unbounded polygon point count. Attackers can supply a crafted PICT file with a polygon exceeding 100 points to overwrite the fixed pts array, causing crashes or potentially code execution.
Last activity 2 Nov 2026. Patch Forecast updates every hour.