Out-of-Bounds Affecting ffmpeg package, versions [,8.1.1)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.52% (44th percentile)

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  • Snyk IDSNYK-CONAN-FFMPEG-20883314
  • published13 Oct 2026
  • disclosed8 Sept 2026
  • creditUnknown

Introduced: 8 Sep 2026

CVE-2026-30754  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade ffmpeg to version 8.1.1 or higher.

Overview

Affected versions of this package are vulnerable to Out-of-Bounds in the nal_send function. An attacker can cause memory corruption by transmitting a specially crafted input file that results in a negative size parameter being passed to memcpy during RTP encoding of H.264/HEVC streams.

CVSS Base Scores

version 4.0
version 3.1