Use-after-free in FreeRDP - CVE-2026-24680

Vulnerability identifier: #VU122502

CSH Severity: High

CVSS v4: 7.5 [CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-24680

CWE-ID: CWE-416

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in update_pointer_new(SDL) function. A remote attacker can trick the victim into connecting to a malicious server and execute arbitrary code on the system.

FreeRDP
Ubuntu
freerdp2 (Ubuntu package)

Install updates from vendor's website.

FreeRDP - update to 3.22.0
freerdp2 (Ubuntu package) - addressed in versions 2.2.0+dfsg1-0ubuntu0.18.04.4+esm5, 2.6.1+dfsg1-0ubuntu0.20.04.2+esm3, 2.6.1+dfsg1-3ubuntu2.10, 2.11.5+dfsg1-1ubuntu0.1~esm5, 3.5.1+dfsg1-0ubuntu1.2, 3.16.0+dfsg-2ubuntu0.1

• https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-j893-9wg8-33rc
• https://github.com/FreeRDP/FreeRDP/commit/c42ecbd183b001e76bfc3614cddfad0034acc758
• https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-rvfg-86cr-5r6p

• Multiple vulnerabilities in FreeRDP
• Ubuntu update for freerdp2