Is CVE-2026-30997 actively exploited?

CVE-2026-30997 has no public evidence of in-the-wild exploitation as of 2026-04-23.

What is the CVSS score for CVE-2026-30997?

CVE-2026-30997 has a CVSS score of 7.5 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

How do I patch CVE-2026-30997?

Patch guidance is available from ffmpeg security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-30997.

Fix CVE-2026-30997 - HIGH ffmpeg ffmpeg

Description

An out-of-bounds read in the read_global_param() function (libavcodec/av1dec.c) of FFmpeg v8.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted input.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
Weaknesses: CWE-125 · Out-of-bounds Read

Metadata

Primary Vendor: FFMPEG
Published: 4/13/2026
Last Modified: 4/23/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2026-30997

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary