Description
In FreeRDP less than or equal to 2.0.0, an outside controlled array index is used unchecked for data used as configuration for sound backend (alsa, oss, pulse, ...). The most likely outcome is a crash of the client instance followed by no or distorted sound or a session disconnect. If a user cannot upgrade to the patched version, a workaround is to disable sound for the session. This has been patched in 2.1.0.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| FreeRDP | FreeRDP | <= 2.0.0 | — |
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 12 | freerdp2 | 2.1.1+dfsg1-1 | — |
| Debian 10 | freerdp2 | 2.3.0+dfsg1-2+deb10u3 | DLA-3606-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | freerdp2 | 2.1.1+dfsg1-0ubuntu0.20.04.1 | — |
| Ubuntu 18.04 LTS | freerdp2 | 2.1.1+dfsg1-0ubuntu0.18.04.1 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | freerdp +4 | 2:2.1.1-1.el8 | RHSA-2020:4647 |
| RHEL 8 | vinagre | 3.22.0-23.el8 | RHSA-2020:4647 |
| RHEL 7 | freerdp +4 | 2.1.1-2.el7 | RHSA-2020:4031 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 8 | freerdp-devel | 2:2.1.1-1.el8 | ALSA-2020:4647 |
| AlmaLinux 8 | vinagre | 3.22.0-23.el8 | ALSA-2020:4647 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | vinagre | 3.22.0-23.el8 | RLSA-2020:4647 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP2 | freerdp | 2.1.2-15.7.1 | SUSE-SU-2020:2068-1 |
| SLES 15 SP1 | freerdp | 2.1.2-10.15.1 | SUSE-SU-2020:2032-1 |
| 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 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | freerdp2 | 2.4.0-2.1 | openSUSE-SU-2024:10768-1 |
| openSUSE Leap 15.1 | freerdp | 2.1.2-lp151.5.6.1 | openSUSE-SU-2020:1090-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | freerdp +4 | 2.1.1-2.amzn2 | ALAS2-2020-1516 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | freerdp +4 | 2:2.1.1-1.el8 | ELSA-2020-4647 |
| Oracle Linux 8 | vinagre | 3.22.0-23.el8 | ELSA-2020-4647 |
| Oracle Linux 7 | freerdp +4 | 2.1.1-2.el7 | ELSA-2020-4031 |
Advisories 13
- ALSA-2020:4647 Moderate: freerdp and vinagre security, bug fix, and enhancement update AlmaLinux Security Advisories · Nov 5, 2026
- RHSA-2020:4647 Red Hat Security Advisory: freerdp and vinagre security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- RHSA-2020:4031 Red Hat Security Advisory: freerdp security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- DLA-3606-1 freerdp2 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- RLSA-2020:4647 Moderate: freerdp and vinagre security, bug fix, and enhancement update Rocky Linux Security Advisories · Feb 5, 2026
- SUSE-SU-2020:2068-1 Security update for freerdp SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:1090-1 Security update for freerdp SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2032-1 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
- ELSA-2020-4647 Moderate: freerdp and vinagre security, bug fix, and enhancement update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Nov 10, 2020
- ALAS2-2020-1516 Moderate: freerdp security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Oct 22, 2020
- ELSA-2020-4031 Moderate: freerdp security, bug fix, and enhancement update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Oct 6, 2020