CVE-2026-67290: FreeRDP before 3.29.0 Heap Out-of-Bounds Read via TSMF

Published Aug 1, 2026
·
Updated

FreeRDP before 3.29.0 contains a heap out-of-bounds read vulnerability in the TSMF FFmpeg decoder when parsing AVC1 MPEG2VIDEOINFO media types with insufficient ExtraData. Attackers can send malformed media format data from a server to trigger a crash by reading fixed offsets without validating source buffer length.

Affected Software

1 affected component
FreeRDP freerdp<3.29.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade FreeRDP to a version that resolves this vulnerability.

    Fixed in 3.29.0
  2. Compensating control

    If you use FreeRDP TSMF, restrict incoming media/font/TSMF-related processing to trusted servers/sessions to reduce exposure to malformed media data that could trigger the heap out-of-bounds read.

Event History

Aug 1, 2026
CVE Published
via MITRE·12:22 PM
Data Sourced
via MITRE·12:22 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·01:16 PM
DescriptionSeverityWeakness
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