CVE-2023-40589
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. In affected versions there is a Global-Buffer-Overflow in the ncrush_decompress function. Feeding crafted input into this function can trigger the overflow which has only been shown to cause a crash. This issue has been addressed in versions 2.11.0 and 3.0.0-beta3. Users are advised to upgrade. There are no known workarounds for this issue.
| Software | From | Fixed in |
|---|---|---|
| freerdp / freerdp | 3.0.0-beta1 | 3.0.0-beta1.x |
| freerdp / freerdp | 3.0.0-beta2 | 3.0.0-beta2.x |
| freerdp / freerdp | - | 2.11.0 |
| fedoraproject / fedora | 37 | 37.x |
| fedoraproject / fedora | 38 | 38.x |
| fedoraproject / fedora | 39 | 39.x |
| debian / debian_linux | 10.0 | 10.0.x |
- https://github.com/FreeRDP/FreeRDP/commit/16141a30f983dd6f7a6e5b0356084171942c9416
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-gc34-mw6m-g42x
- https://lists.debian.org/debian-lts-announce/2023/10/msg00008.html
- https://lists.debian.org/debian-lts-announce/2025/02/msg00016.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A6LLDAPEXRDJOM3PREDDD267SSNT77DP/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IHMTGKCZXJPQOR5ZD2I4GPDNP2DKRXMF/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OH2ATH2BKDNKCJAU4WPPXK4SHLE3UJUV/
- https://security.gentoo.org/glsa/202401-16
Deep Security Visibility Without the Complexity
SynScan provides clear, real-time security insights so you can monitor your attack surface, spot risks early, and act fast—without extra complexity.
- No setup fees
- 5-min deployment
- Cancel anytime