CVE-2026-73242

Summary

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.30.0, FreeRDP's winpr/libwinpr/sspi/Kerberos/kerberos.c kerberos_DecryptMessage function fails to bound the peer-controlled GSS Wrap-token EC field before using it with RRC in IOV pointer offsets, allowing a malicious RDP peer to trigger out-of-bounds reads and in-place writes during CredSSP/NLA Kerberos decryption. This issue is fixed in version 3.30.0.

Affected Software

Weaknesses

• CWE-122: CWE-122: Heap-based Buffer Overflow

References

• https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-vv64-95pc-vj9v
• https://github.com/FreeRDP/FreeRDP/pull/13065
• https://github.com/FreeRDP/FreeRDP/commit/0adf5e30d01be84e190a359a7bdd37bc51d740cc
• https://github.com/FreeRDP/FreeRDP/releases/tag/3.30.0

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