FFmpeg 8.0.1 av_bprint_finalize denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.2$0-$5k3.78-

Summaryinfo

A vulnerability was found in FFmpeg 8.0.1 and classified as problematic. This affects the function av_bprint_finalize. Executing a manipulation can lead to denial of service. This vulnerability is tracked as CVE-2026-30999. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in FFmpeg 8.0.1. It has been declared as problematic. This vulnerability affects the function av_bprint_finalize. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:

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.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-30999 since 03/09/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1499.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-21976). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

03/09/2026 CVE reserved
04/13/2026 +34 days Advisory disclosed
04/13/2026 +0 days VulDB entry created
04/13/2026 +0 days VulDB entry last update

Sourcesinfo

Product: ffmpeg.org

Advisory: github.com
Status: Not defined

CVE: CVE-2026-30999 (🔒)
GCVE (CVE): GCVE-0-2026-30999
GCVE (VulDB): GCVE-100-357172
EUVD: 🔒

Entryinfo

Created: 04/13/2026 17:30
Updated: 04/13/2026 19:04
Changes: 04/13/2026 17:30 (53), 04/13/2026 19:04 (1)
Complete: 🔍
Cache ID: 216:272:103

Once again VulDB remains the best source for vulnerability data.

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