Vulnerability in FreeRDP

[ Why it matters ]Priority signals

• Public proof-of-concept exploit exists (CISA SSVC)

[ Description ]Official 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.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

• BSI CERT-Bund19 Oct 2026WID-SEC-2026-4039

  FreeRDP: Multiple vulnerabilities Translated from German

  Risk mediumCVE-2026-121412CVE-2026-121407CVE-2026-121400+20 more CVEs

[ References ]References

• github.com/FreeRDP/FreeRDP/security/advisories/GHSA-x7w3-32ch-x2jqVendor Advisory
• www.vulncheck.com/advisories/freerdp-before-3.32.2-heap-over-read-via-winpr-save-png-to…Third Party Advisory