What is CVE-2026-29775?

CVE-2026-29775 is a medium-severity vulnerability in Freerdp, classified under Out-of-bounds Write. CVSS score: 5.3/10. Published 2026-03-13.

How severe is CVE-2026-29775?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Buffer overflow in Freerdp

CVE-2026-29775

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, a client-side heap out-of-bounds read/write occurs in FreeRDP's bitmap cache subsystem due to an off-by-one boundary check in bitmap_cache_put. A malicious s…

Vulnerability class: Buffer Overflow

EPSS: 0.001 (27.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Freerdp — versions < 3.24.0

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-h666-rfw3-jhvj (x_refsource_CONFIRM)
https://github.com/FreeRDP/FreeRDP/commit/ffad58fd2b329efd81a3239e9d7e3c927b8e503f (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-29775?: CVE-2026-29775 is a medium-severity vulnerability in Freerdp, classified under Out-of-bounds Write. CVSS score: 5.3/10. Published 2026-03-13.
How severe is CVE-2026-29775?: Medium severity. CVSS v3 base score is 5.3 out of 10.