CVE-2026-41210 Moonlight Qt: Remote heap buffer overflow in Moonlight Qt H.264 SPS fixup path via crafted seq_parameter_set_id

Moonlight Qt is a GameStream client for Windows, macOS, Linux, and Steam Link. In version 6.1.0 and earlier, after a victim initiates a streaming session to a malicious host, the host can send a crafted H.264 SPS NAL when Moonlight selects a decoder path that does not advertise...

CVE-2026-41210

The Moonlight Qt GameStream client (versions 6.1.0 and earlier ) is vulnerable to a remote heap buffer overflow . When a victim initiates a streaming session to a malicious host, the host can send a crafted H.264 SPS NAL if Moonlight selects a decoder path lacking CAPABILITY_REFERENCE_FRAME_INVAL...