Description
In FreeRDP after 1.1 and before 2.0.0, there is an out-of-bounds read in autodetect_recv_bandwidth_measure_results. A malicious server can extract up to 8 bytes of client memory with a manipulated message by providing a short input and reading the measurement result data. This has been patched in 2.0.0.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| FreeRDP | FreeRDP | > 1.1, < 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 | USN-4379-1 |
| Ubuntu 18.04 LTS | freerdp2 | 2.1.1+dfsg1-0ubuntu0.18.04.1 | USN-4379-1 |
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 |
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 9
- 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
- USN-4379-1 freerdp2 vulnerabilities Ubuntu Security Notices (USN) · Apr 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
- 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
References
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-9fw6-m2q8-h5pw
- https://github.com/FreeRDP/FreeRDP/issues/6009
- https://github.com/FreeRDP/FreeRDP/commit/f5e73cc7c9cd973b516a618da877c87b80950b65
- USN-4379-1 vendor-advisory
- [debian-lts-announce] 20231007 [SECURITY] [DLA 3606-1] freerdp2 security update mailing-list