Medium severity5.3NVD Advisory· Published Aug 31, 2023· Updated Jun 17, 2026
CVE-2023-40181
CVE-2023-40181
Description
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to an Integer-Underflow leading to Out-Of-Bound Read in the zgfx_decompress_segment function. In the context of CopyMemory, it's possible to read data beyond the transmitted packet range and likely 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
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
23- osv-coords14 versionspkg:rpm/suse/freerdp&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP5pkg: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/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%20Module%20for%20Package%20Hub%2015%20SP4pkg:rpm/suse/freerdp&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP5pkg:rpm/opensuse/freerdp&distro=openSUSE%20Leap%2015.4pkg:rpm/opensuse/freerdp&distro=openSUSE%20Leap%2015.5pkg:rpm/suse/freerdp&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP4
< 2.4.0-150400.3.23.1+ 13 more
- (no CPE)range: < 2.4.0-150400.3.23.1
- (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: < 2.1.2-12.38.1
- (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
- (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
cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
9- github.com/FreeRDP/FreeRDP/security/advisories/GHSA-mxp4-rx7x-h2g8nvdExploitVendor Advisory
- lists.debian.org/debian-lts-announce/2023/10/msg00008.htmlnvdMailing ListThird Party Advisory
- github.com/FreeRDP/FreeRDP/blob/2252d53001d9ce8a452f0a0a5b1f5ed9db6d57f1/libfreerdp/codec/zgfx.cnvdIssue Tracking
- github.com/FreeRDP/FreeRDP/blob/2252d53001d9ce8a452f0a0a5b1f5ed9db6d57f1/libfreerdp/codec/zgfx.cnvdIssue Tracking
- lists.fedoraproject.org/archives/list/[email protected]/message/A6LLDAPEXRDJOM3PREDDD267SSNT77DP/nvdMailing List
- lists.fedoraproject.org/archives/list/[email protected]/message/IHMTGKCZXJPQOR5ZD2I4GPDNP2DKRXMF/nvdMailing List
- lists.fedoraproject.org/archives/list/[email protected]/message/OH2ATH2BKDNKCJAU4WPPXK4SHLE3UJUV/nvdMailing List
- lists.debian.org/debian-lts-announce/2025/02/msg00016.htmlnvd
- security.gentoo.org/glsa/202401-16nvd
News mentions
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