Out-of-bounds Write Vulnerability in FFmpeg's Libavcodec Library
CVE-2026-8461

8.8HIGH

Key Information:

Vendor

Ffmpeg

Status
Vendor
CVE Published:
18 June 2026

What is CVE-2026-8461?

An out-of-bounds write vulnerability has been identified in the libavcodec library of FFmpeg, particularly within the MagicYUV decoder. This flaw may lead to denial-of-service conditions and has the potential to be exploited for remote code execution. The issue arises from improper handling of certain inputs, resulting in memory corruption. Affected versions of FFmpeg must be updated to version 8.1.2 or later to mitigate these security risks.

Affected Version(s)

FFmpeg 0 < 8.1.2

References

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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