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Vulnerability · Published Feb 9, 2026 · Assigned by GitHub_M

CVE-2026-24683FreeRDP has a heap-use-after-free in ainput_send_input_event

High 8.7

In plain English

A high-severity use-after-free 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. ainput_send_input_event caches channel_callback in a local variable and later uses it without synchronization; a concurrent channel close can free or reinitialize the callback, leading to a use after free. Prior to 3.22.0, 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:8freerdp2:2.11.7-6.el8_10ALSA-2026:6918
AlmaLinux:9freerdp2:2.11.7-1.el9_7.5ALSA-2026:6340
AlmaLinux:10freerdp-devel2:3.10.3-5.el10_1.5ALSA-2026:6799
AlmaLinux:8freerdp-devel2:2.11.7-6.el8_10ALSA-2026:6918
AlmaLinux:9freerdp-devel2:2.11.7-1.el9_7.5ALSA-2026:6340
AlmaLinux:10freerdp-libs2:3.10.3-5.el10_1.5ALSA-2026:6799
AlmaLinux:8freerdp-libs2:2.11.7-6.el8_10ALSA-2026:6918
AlmaLinux:9freerdp-libs2:2.11.7-1.el9_7.5ALSA-2026:6340
AlmaLinux:10freerdp-server2:3.10.3-5.el10_1.5ALSA-2026:6799
AlmaLinux:10libwinpr2:3.10.3-5.el10_1.5ALSA-2026:6799
AlmaLinux:8libwinpr2:2.11.7-6.el8_10ALSA-2026:6918
AlmaLinux:9libwinpr2:2.11.7-1.el9_7.5ALSA-2026:6340
AlmaLinux:10libwinpr-devel2:3.10.3-5.el10_1.5ALSA-2026:6799
AlmaLinux:8libwinpr-devel2:2.11.7-6.el8_10ALSA-2026:6918
AlmaLinux:9libwinpr-devel2:2.11.7-1.el9_7.5ALSA-2026:6340
Alpine:v3.23freerdp3.22.0-r0ALPINE-CVE-2026-24683
Alpine:v3.24freerdp3.22.0-r0ALPINE-CVE-2026-24683
Debian:12freerdp2no fix listedDEBIAN-CVE-2026-24683
Debian:13freerdp33.15.0+dfsg-2.1+deb13u1DEBIAN-CVE-2026-24683
Debian:14freerdp33.22.0+dfsg-1DEBIAN-CVE-2026-24683
Rocky Linux:10freerdp2:3.10.3-5.el10_1.5RLSA-2026:6799
Rocky Linux:8freerdp2:2.11.7-6.el8_10RLSA-2026:6918
Rocky Linux:9freerdp2:2.11.7-1.el9_7.5RLSA-2026:6340
Ubuntu:22.04:LTSfreerdp22.6.1+dfsg1-3ubuntu2.10USN-8042-1
Ubuntu:22.04:LTSfreerdp22.6.1+dfsg1-3ubuntu2.10UBUNTU-CVE-2026-24683
Ubuntu:24.04:LTSfreerdp33.5.1+dfsg1-0ubuntu1.2USN-8042-1
Ubuntu:24.04:LTSfreerdp33.5.1+dfsg1-0ubuntu1.2UBUNTU-CVE-2026-24683
Ubuntu:25.10freerdp33.16.0+dfsg-2ubuntu0.1USN-8042-1
Ubuntu:25.10freerdp33.16.0+dfsg-2ubuntu0.1UBUNTU-CVE-2026-24683

Affected products (as reported)

VendorProductVersions
FreeRDP FreeRDP < 3.22.0

Weakness: CWE-416 · 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