A heap buffer overflow in the av_bprint_finalize() function of FFmpeg v8.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted input.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable yes

Technical Impact partial

Affected Vendors & Products

No data.

No data.

No data.

No data.

References
Link Providers
https://excellent-oatmeal-319.notion.site/CVE-2026-30999-Memory-Leak-e0d88ac53e2e42c1b5ef9aa3497e27b6 cve-icon cve-icon
https://ffmpeg.org/doxygen/7.0/zmqsend_8c_source.html cve-icon cve-icon
https://github.com/FFmpeg/FFmpeg/blob/master/tools/zmqsend.c cve-icon cve-icon
https://www.ffmpeg.org/download.html cve-icon cve-icon
History

Mon, 13 Apr 2026 19:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-122
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Mon, 13 Apr 2026 15:00:00 +0000

Type Values Removed Values Added
Description A heap buffer overflow in the av_bprint_finalize() function of FFmpeg v8.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted input.
References
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-04-13T19:11:38.554Z

Reserved: 2026-03-09T00:00:00.000Z

Link: CVE-2026-30999

cve-icon Vulnrichment

Updated: 2026-04-13T19:11:34.357Z

cve-icon NVD

Status : Received

Published: 2026-04-13T15:17:32.827

Modified: 2026-04-13T15:17:32.827

Link: CVE-2026-30999

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.