CVE-2026-30999 | FFmpeg 8.0.1 av_bprint_finalize denial of service

VDB-357172 · CVE-2026-30999 · GCVE-0-2026-30999 FFMPEG 8.0.1 AV_BPRINT_FINALIZE DENIAL OF SERVICE HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 4.2 $0-$5k 1.50+ 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. Productinfo Type Multimedia Processing Software Name FFmpeg Version 8.0.1 License open-source Website Product: https://ffmpeg.org/ 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 Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock 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: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock 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 Entryinfo Created: 04/13/2026 17:30 Changes: 04/13/2026 17:30 (53) Complete: 🔍 Cache ID: 99:C07:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸