Vulnerability · Published Feb 9, 2026 · Assigned by GitHub_M

CVE-2026-24682FreeRDP has a Heap-buffer-overflow in audio_formats_free

High 8.7

In plain English

A high-severity heap buffer overflow in FreeRDP from FreeRDP. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 45% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 4.0)8.7High
Exploit odds (30 days)0.5%top 55.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, audin_server_recv_formats frees an incorrect number of audio formats on parse failure (i + i), leading to out-of-bounds access in audio_formats_free. This vulnerability is fixed in 3.22.0.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:10freerdp2:3.10.3-5.el10_1.5ALSA-2026:6799
AlmaLinux:10freerdp-devel2:3.10.3-5.el10_1.5ALSA-2026:6799
AlmaLinux:10freerdp-libs2:3.10.3-5.el10_1.5ALSA-2026:6799
AlmaLinux:10freerdp-server2:3.10.3-5.el10_1.5ALSA-2026:6799
AlmaLinux:10libwinpr2:3.10.3-5.el10_1.5ALSA-2026:6799
AlmaLinux:10libwinpr-devel2:3.10.3-5.el10_1.5ALSA-2026:6799
Alpine:v3.23freerdp3.22.0-r0ALPINE-CVE-2026-24682
Alpine:v3.24freerdp3.22.0-r0ALPINE-CVE-2026-24682
Debian:12freerdp2no fix listedDEBIAN-CVE-2026-24682
Debian:13freerdp33.15.0+dfsg-2.1+deb13u1DEBIAN-CVE-2026-24682
Debian:14freerdp33.22.0+dfsg-1DEBIAN-CVE-2026-24682
Rocky Linux:10freerdp2:3.10.3-5.el10_1.5RLSA-2026:6799
Ubuntu:22.04:LTSfreerdp22.6.1+dfsg1-3ubuntu2.10USN-8042-1
Ubuntu:22.04:LTSfreerdp22.6.1+dfsg1-3ubuntu2.10UBUNTU-CVE-2026-24682
Ubuntu:24.04:LTSfreerdp33.5.1+dfsg1-0ubuntu1.2USN-8042-1
Ubuntu:24.04:LTSfreerdp33.5.1+dfsg1-0ubuntu1.2UBUNTU-CVE-2026-24682
Ubuntu:25.10freerdp33.16.0+dfsg-2ubuntu0.1UBUNTU-CVE-2026-24682
Ubuntu:25.10freerdp33.16.0+dfsg-2ubuntu0.1USN-8042-1

Affected products (as reported)

VendorProductVersions
FreeRDP FreeRDP < 3.22.0

Weakness: CWE-122 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

References