Description
FreeRDP prior to version 2.0.0-rc4 contains a Heap-Based Buffer Overflow in function zgfx_decompress_segment() that results in a memory corruption and probably even a remote code execution.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Check Point Software Technologies | FreeRDP | All versions prior to 2.0.0-rc4 | — |
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 12 | freerdp2 | 2.0.0~git20181120.1.e21b72c95+dfsg1-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | freerdp2 | 2.0.0~git20170725.1.1648deb+dfsg1-7ubuntu0.1 | USN-3845-1 |
| Ubuntu 16.04 LTS | freerdp | 1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.3 | USN-3845-1 |
| Ubuntu 14.04 LTS | freerdp | 1.0.2-2ubuntu1.2 | USN-3845-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 | freerdp | 2.0.0~rc4-3.3.1 | SUSE-SU-2019:0539-1 |
| SLES 12 SP5 | freerdp | 2.1.2-12.20.1 | SUSE-SU-2020:2272-1 |
| SLES 12 SP5 | vinagre | 3.20.2-16.3.3 | SUSE-SU-2020:2272-1 |
| SLES 12 SP4 | freerdp | 2.0.0~git.1463131968.4e66df7-12.8.1 | SUSE-SU-2019:0134-1 |
| SLES 12 SP3 | freerdp | 2.0.0~git.1463131968.4e66df7-12.8.1 | SUSE-SU-2019:0134-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | freerdp2 | 2.4.0-2.1 | openSUSE-SU-2024:10768-1 |
Advisories 5
- USN-3845-1 freerdp, freerdp2 vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- SUSE-SU-2019:0134-1 Security update for freerdp SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10768-1 freerdp-2.4.0-2.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2272-1 Security update for freerdp SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:0539-1 Security update for freerdp SUSE / openSUSE Security Updates · Feb 4, 2026