Unrated severityNVD Advisory· Published Aug 31, 2023· Updated Nov 3, 2025
FreeRDP Global-Buffer-Overflow in ncrush_decompress
CVE-2023-40589
Description
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.
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
7- github.com/FreeRDP/FreeRDP/commit/16141a30f983dd6f7a6e5b0356084171942c9416mitrex_refsource_MISC
- github.com/FreeRDP/FreeRDP/security/advisories/GHSA-gc34-mw6m-g42xmitrex_refsource_CONFIRM
- lists.debian.org/debian-lts-announce/2023/10/msg00008.htmlmitre
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A6LLDAPEXRDJOM3PREDDD267SSNT77DP/mitre
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IHMTGKCZXJPQOR5ZD2I4GPDNP2DKRXMF/mitre
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OH2ATH2BKDNKCJAU4WPPXK4SHLE3UJUV/mitre
- security.gentoo.org/glsa/202401-16mitre
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