AIKIDO-2026-862537
FreeRDP.FreeRDP is vulnerable to Out-of-bounds Read
42
Medium Risk
This Affects:
FreeRDP.FreeRDPTL;DR
The optional TSMF media redirection channel's FFmpeg decoder path parses AVC1 MPEG2VIDEOINFO media types and accepts a short nonzero ExtraData buffer without enforcing the subtype-specific minimum size. The decoder initialisation then reads fixed offsets into that buffer before checking its length, reading past the end of a short allocation. A malicious RDP server sending crafted media format data can cause a client-side heap out-of-bounds read and crash. The fix validates the source ExtraData length before reading the fixed offsets.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range and you enable the deprecated TSMF media redirection channel with the FFmpeg decoder.
Background info
FreeRDP.FreeRDP is vulnerable to Out-of-bounds Read in versions 0.0.1 - 3.28.0.
How to fix this
Upgrade the FreeRDP.FreeRDP library to the patch version.
Links
GitHub Release
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SOC 2Compliant
ISO 27001CompliantISO 42001Compliant
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