Description
FreeRDP prior to version 2.0.0-rc4 contains an Out-Of-Bounds Write of up to 4 bytes in function nsc_rle_decode() that results in a memory corruption and possibly 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 | — |
| Debian 8 | freerdp | 1.1.0~git20140921.1.440916e+dfsg1-13~deb8u3 | DLA-1666-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | freerdp | 1.1.0~git20140921.1.440916e+dfsg1-15ubuntu1.18.04.1 | USN-3845-2 |
| 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 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | freerdp +3 | 1.0.2-15.el7_6.1 | RHSA-2019:0697 |
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 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | freerdp +1 | 2.0.0_rc4-r0 | — |
| Alpine v3.23 | freerdp +1 | 2.0.0_rc4-r0 | — |
| Alpine v3.22 | freerdp +1 | 2.0.0_rc4-r0 | — |
| Alpine v3.21 | freerdp | 2.0.0_rc4-r0 | — |
| Alpine v3.20 | freerdp | 2.0.0_rc4-r0 | — |
Show 11 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | freerdp | 2.0.0_rc4-r0 | — |
| Alpine v3.18 | freerdp | 2.0.0_rc4-r0 | — |
| Alpine v3.17 | freerdp | 2.0.0_rc4-r0 | — |
| Alpine v3.16 | freerdp | 2.0.0_rc4-r0 | — |
| Alpine v3.15 | freerdp | 2.0.0_rc4-r0 | — |
| Alpine v3.14 | freerdp | 2.0.0_rc4-r0 | — |
| Alpine v3.13 | freerdp | 2.0.0_rc4-r0 | — |
| Alpine v3.12 | freerdp | 2.0.0_rc4-r0 | — |
| Alpine v3.11 | freerdp | 2.0.0_rc4-r0 | — |
| Alpine v3.10 | freerdp | 2.0.0_rc4-r0 | — |
| Alpine v3.9 | freerdp | 2.0.0_rc4-r0 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | freerdp +3 | 1.0.2-15.amzn2.0.1 | ALAS2-2019-1191 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | freerdp +3 | 1.0.2-15.el7_6.1 | ELSA-2019-0697 |
Advisories 10
- RHSA-2019:0697 Red Hat Security Advisory: freerdp security update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- USN-3845-2 freerdp vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- USN-3845-1 freerdp, freerdp2 vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DLA-1666-1 freerdp - security update Debian Security (DSA / DLA) · Mar 9, 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
- ALAS2-2019-1191 Important: freerdp security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Apr 17, 2019
- ELSA-2019-0697 Important: freerdp security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Apr 2, 2019
References
- 106938 vdb-entry
- [debian-lts-announce] 20190209 [SECURITY] [DLA 1666-1] freerdp security update mailing-list
- USN-3845-1 vendor-advisory
- https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/
- https://github.com/FreeRDP/FreeRDP/commit/d1112c279bd1a327e8e4d0b5f371458bf2579659
- RHSA-2019:0697 vendor-advisory
- USN-3845-2 vendor-advisory