CVE-2026-111881
FreeRDP from 3.14.1 before 3.32.0 contains an integer underflow in the WinPR BMP writer, where a…
- Risk score
- 52/100
- CVSS
- 7.6 v3.1
- Exploit chance (30 days)
- 0.2%
- Published
- 17 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- FreeRDP from 3.14.1 before 3.32.0 contains an integer underflow in the WinPR BMP writer, where a mismatched stride calculation passes SIZE_MAX - 3 to Stream_Zero for sub-byte images. A malicious RDP clipboard peer can return a crafted 1-bpp BMP processed by clipboard_synthesize_image_format_to_bmp for CF_DIB/CF_DIBV5,…
- Affected
- See advisory
- Fix
- Upgrade the product to 3.32.0 or later.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 7.6 high
- Remotely exploitable without logging in
References
Original description
FreeRDP from 3.14.1 before 3.32.0 contains an integer underflow in the WinPR BMP writer, where a mismatched stride calculation passes SIZE_MAX - 3 to Stream_Zero for sub-byte images. A malicious RDP clipboard peer can return a crafted 1-bpp BMP processed by clipboard_synthesize_image_format_to_bmp for CF_DIB/CF_DIBV5, crashing the client or causing an out-of-bounds write.
Last activity 17 Oct 2026. Patch Forecast updates every hour.