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.
AI Insight
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Affected products
16- osv-coords14 versionspkg:rpm/almalinux/freerdppkg:rpm/almalinux/freerdp-develpkg:rpm/almalinux/freerdp-libspkg:rpm/almalinux/libwinprpkg:rpm/almalinux/libwinpr-develpkg:rpm/opensuse/freerdp2&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/freerdp&distro=openSUSE%20Leap%2015.4pkg:rpm/opensuse/freerdp&distro=openSUSE%20Leap%2015.5pkg:rpm/suse/freerdp&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP4pkg:rpm/suse/freerdp&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP5pkg:rpm/suse/freerdp&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/freerdp&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012%20SP5pkg:rpm/suse/freerdp&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP4pkg:rpm/suse/freerdp&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP5
< 2:2.11.2-1.el9+ 13 more
- (no CPE)range: < 2:2.11.2-1.el9
- (no CPE)range: < 2:2.11.2-1.el9
- (no CPE)range: < 2:2.11.2-1.el9
- (no CPE)range: < 2:2.11.2-1.el9
- (no CPE)range: < 2:2.11.2-1.el9
- (no CPE)range: < 2.11.2-3.1
- (no CPE)range: < 2.4.0-150400.3.23.1
- (no CPE)range: < 2.4.0-150400.3.23.1
- (no CPE)range: < 2.4.0-150400.3.23.1
- (no CPE)range: < 2.4.0-150400.3.23.1
- (no CPE)range: < 2.1.2-12.38.1
- (no CPE)range: < 2.1.2-12.38.1
- (no CPE)range: < 2.4.0-150400.3.23.1
- (no CPE)range: < 2.4.0-150400.3.23.1
Patches
Vulnerability mechanics
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
News mentions
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