Vulnerability · Published Feb 9, 2026 · Assigned by GitHub_M
CVE-2026-24676FreeRDP has a heap-use-after-free in audio_format_compatible
High 7.7
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)7.7High
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 format renegotiation frees the active format list while the capture thread continues using audin->format, leading to a use after free in audio_format_compatible. This vulnerability is fixed in 3.22.0.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:10 | freerdp | 2:3.10.3-5.el10_1.5 | ALSA-2026:6799 |
| AlmaLinux:8 | freerdp | 2:2.11.7-6.el8_10 | ALSA-2026:6918 |
| AlmaLinux:9 | freerdp | 2:2.11.7-1.el9_7.5 | ALSA-2026:6340 |
| AlmaLinux:10 | freerdp-devel | 2:3.10.3-5.el10_1.5 | ALSA-2026:6799 |
| AlmaLinux:8 | freerdp-devel | 2:2.11.7-6.el8_10 | ALSA-2026:6918 |
| AlmaLinux:9 | freerdp-devel | 2:2.11.7-1.el9_7.5 | ALSA-2026:6340 |
| AlmaLinux:10 | freerdp-libs | 2:3.10.3-5.el10_1.5 | ALSA-2026:6799 |
| AlmaLinux:8 | freerdp-libs | 2:2.11.7-6.el8_10 | ALSA-2026:6918 |
| AlmaLinux:9 | freerdp-libs | 2:2.11.7-1.el9_7.5 | ALSA-2026:6340 |
| AlmaLinux:10 | freerdp-server | 2:3.10.3-5.el10_1.5 | ALSA-2026:6799 |
| AlmaLinux:10 | libwinpr | 2:3.10.3-5.el10_1.5 | ALSA-2026:6799 |
| AlmaLinux:8 | libwinpr | 2:2.11.7-6.el8_10 | ALSA-2026:6918 |
| AlmaLinux:9 | libwinpr | 2:2.11.7-1.el9_7.5 | ALSA-2026:6340 |
| AlmaLinux:10 | libwinpr-devel | 2:3.10.3-5.el10_1.5 | ALSA-2026:6799 |
| AlmaLinux:8 | libwinpr-devel | 2:2.11.7-6.el8_10 | ALSA-2026:6918 |
| AlmaLinux:9 | libwinpr-devel | 2:2.11.7-1.el9_7.5 | ALSA-2026:6340 |
| Alpine:v3.23 | freerdp | 3.22.0-r0 | ALPINE-CVE-2026-24676 |
| Alpine:v3.24 | freerdp | 3.22.0-r0 | ALPINE-CVE-2026-24676 |
| Debian:12 | freerdp2 | no fix listed | DEBIAN-CVE-2026-24676 |
| Debian:13 | freerdp3 | 3.15.0+dfsg-2.1+deb13u1 | DEBIAN-CVE-2026-24676 |
| Debian:14 | freerdp3 | 3.22.0+dfsg-1 | DEBIAN-CVE-2026-24676 |
| Rocky Linux:10 | freerdp | 2:3.10.3-5.el10_1.5 | RLSA-2026:6799 |
| Rocky Linux:8 | freerdp | 2:2.11.7-6.el8_10 | RLSA-2026:6918 |
| Rocky Linux:9 | freerdp | 2:2.11.7-1.el9_7.5 | RLSA-2026:6340 |
| Ubuntu:22.04:LTS | freerdp2 | 2.6.1+dfsg1-3ubuntu2.10 | USN-8042-1 |
| Ubuntu:22.04:LTS | freerdp2 | 2.6.1+dfsg1-3ubuntu2.10 | UBUNTU-CVE-2026-24676 |
| Ubuntu:24.04:LTS | freerdp3 | 3.5.1+dfsg1-0ubuntu1.2 | USN-8042-1 |
| Ubuntu:24.04:LTS | freerdp3 | 3.5.1+dfsg1-0ubuntu1.2 | UBUNTU-CVE-2026-24676 |
| Ubuntu:25.10 | freerdp3 | 3.16.0+dfsg-2ubuntu0.1 | USN-8042-1 |
| Ubuntu:25.10 | freerdp3 | 3.16.0+dfsg-2ubuntu0.1 | UBUNTU-CVE-2026-24676 |
Affected products (as reported)
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/E:P