Unrated severityNVD Advisory· Published Apr 22, 2024· Updated Nov 3, 2025
FreeRDP vulnerable to integer underflow in nsc_rle_decode
CVE-2024-32040
Description
FreeRDP is a free implementation of the Remote Desktop Protocol. FreeRDP based clients that use a version of FreeRDP prior to 3.5.0 or 2.11.6 and have connections to servers using the NSC codec are vulnerable to integer underflow. Versions 3.5.0 and 2.11.6 patch the issue. As a workaround, do not use the NSC codec (e.g. use -nsc).
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
8- github.com/FreeRDP/FreeRDP/pull/10077mitrex_refsource_MISC
- github.com/FreeRDP/FreeRDP/releases/tag/2.11.6mitrex_refsource_MISC
- github.com/FreeRDP/FreeRDP/releases/tag/3.5.0mitrex_refsource_MISC
- github.com/FreeRDP/FreeRDP/security/advisories/GHSA-23c5-cp23-h2h5mitrex_refsource_CONFIRM
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5JL476WVJSIE7SBUKVJRVA6A52V2HOLZ/mitre
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7SIS6NUNLUBOV4CPCSWKDE6T6C2W3WTR/mitre
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PX3U6YPZQ7PEJBVKSBUOLWVH7DHROHY5/mitre
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZKI4UISUXYNBPN4K6TIQKDRTIJ6CDCKJ/mitre
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