Description
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, ecam_encoder_compress_h264 trusts server-controlled dimensions and does not validate the source buffer size, leading to an out-of-bounds read in sws_scale. This vulnerability is fixed in 3.22.0.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| FreeRDP | FreeRDP | < 3.22.0 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | freerdp3 | 3.22.0+dfsg-1 | — |
| Debian 13 | freerdp3 | 3.15.0+dfsg-2.1+deb13u1 | — |
| Debian 12 | freerdp2 | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 25.10 | freerdp3 | 3.16.0+dfsg-2ubuntu0.1 | USN-8042-1 |
| Ubuntu 24.04 LTS | freerdp3 | 3.5.1+dfsg1-0ubuntu1.2 | USN-8042-1 |
| Ubuntu 22.04 LTS | freerdp2 | 2.6.1+dfsg1-3ubuntu2.10 | USN-8042-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 24.04 LTS | freerdp2 | 2.11.5+dfsg1-1ubuntu0.1~esm5 | USN-8042-1 |
| Ubuntu Pro 20.04 LTS | freerdp2 | 2.6.1+dfsg1-0ubuntu0.20.04.2+esm3 | USN-8042-1 |
| Ubuntu Pro 18.04 LTS | freerdp2 | 2.2.0+dfsg1-0ubuntu0.18.04.4+esm5 | USN-8042-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | freerdp | 3.10.3-150700.3.6.1 | SUSE-SU-2026:0763-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | freerdp | 3.22.0-1.1 | openSUSE-SU-2026:10132-1 |
| openSUSE Leap 16.0 | freerdp | 3.22.0-160000.1.1 | openSUSE-SU-2026:20339-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | freerdp | 3.22.0-r0 | — |
| Alpine v3.23 | freerdp | 3.22.0-r0 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | freerdp +5 | 2:3.6.3-1.amzn2023.0.4 | ALAS2023-2026-1454 |
| Amazon Linux 2 | freerdp +4 | 2:2.11.7-1.amzn2.0.5 | ALAS2-2026-3181 |
Advisories 7
- USN-8042-1 freerdp2, freerdp3 vulnerabilities Ubuntu Security Notices (USN) · Oct 27, 2026
- WID-SEC-2026-0244 FreeRDP: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 28, 2026
- ALAS2-2026-3181 Important: freerdp security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Jul 29, 2026
- openSUSE-SU-2026:20339-1 Security update for freerdp SUSE / openSUSE Security Updates · Mar 23, 2026
- openSUSE-SU-2026:10132-1 freerdp-3.22.0-1.1 on GA media SUSE / openSUSE Security Updates · Mar 23, 2026
- ALAS2023-2026-1454 Important: freerdp security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Mar 5, 2026
- SUSE-SU-2026:0763-1 Security update for freerdp SUSE / openSUSE Security Updates · Mar 4, 2026