CVE-2026-121397

4.3 MEDIUMpublic exploit available

Published 2026-11-03 · Updated 2026-11-03

AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.

NVD description

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Weaknesses

CWE-125

Vendors

freerdp

Products

freerdp

Public exploit & PoC references

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-x7w3-32ch-x2jq[Vendor Advisory]
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-x7w3-32ch-x2jq[Vendor Advisory]

All references

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

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