MEDIUMCVSS v3.1 4.3Vulnerability
CVE-2026-121397
FreeRDP before 3.32.2 contains a heap buffer over-read vulnerability in save_png_to_buffer() that allows malicious RDP servers to leak client memory by sending 16 bpp DIB clipboard data. Attackers can offer a CF_DIB BI_BITFIELDS image that, when converted to PNG for a local application, embeds client heap bytes into the clipboard image.
Properties
- Severity
- MEDIUM
- Nvd fetched at
- 2026-11-03T17:20:13.885968+00:00
- Cvss score
- 4.3
- Cvss severity
- MEDIUM
- Retrieved at
- 2026-11-03T17:21:18+00:00
- Score
- 4.3
- Last source
- NVD
- Cvss version
- 3.1
- Cve id
- CVE-2026-121397
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
- First seen by Signal
- 2026-11-03T17:21:18+00:00
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
- Published at
- 2026-11-03T15:17:27.630
- Last modified
- 2026-11-03T17:18:08.667
Related Entities (2)
AFFECTS_PRODUCT (1)
HAS_WEAKNESS (1)
Explore deeper with Ninja Signal's threat intelligence graph