NULL Pointer Dereference in FFmpeg Leading to Denial of Service
CVE-2026-38344

7.5HIGH

Key Information:

Vendor

FFmpeg

Status
FFmpeg
Vendor
CVE Published:
27 August 2026

What is CVE-2026-38344?

A vulnerability exists in the FFmpeg library where a NULL pointer dereference in the get_min_buffer_size function can be exploited. This issue allows an attacker to create a specially crafted video file that, when processed, can lead to a Denial of Service condition. The exploitation of this vulnerability can disrupt service availability, making it crucial for users and organizations to be proactive in implementing security measures to mitigate this risk.

References

https://code.ffmpeg.org/FFmpeg/FFmpeg/issues/21583

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.