CVE-2026-30997 | FFmpeg 8.0.1 libavcodec/av1dec.c read_global_param out-of-bounds

VDB-357171 · CVE-2026-30997 · GCVE-0-2026-30997 FFMPEG 8.0.1 LIBAVCODEC/AV1DEC.C READ_GLOBAL_PARAM OUT-OF-BOUNDS HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 4.2 $0-$5k 1.32+ Summaryinfo A vulnerability has been found in FFmpeg 8.0.1 and classified as problematic. Affected by this issue is the function read_global_param of the file libavcodec/av1dec.c. Performing a manipulation results in out-of-bounds. This vulnerability is identified as CVE-2026-30997. The attack can be initiated remotely. There is not any exploit available. Detailsinfo A vulnerability was found in FFmpeg 8.0.1. It has been classified as problematic. This affects the function read_global_param of the file libavcodec/av1dec.c. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on availability. The summary by CVE is: 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. This vulnerability is uniquely identified as CVE-2026-30997 since 03/09/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. 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: Out-of-bounds CWE: CWE-125 / CWE-119 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 Status: Not defined CVE: CVE-2026-30997 (🔒) GCVE (CVE): GCVE-0-2026-30997 GCVE (VulDB): GCVE-100-357171 Entryinfo Created: 04/13/2026 17:30 Changes: 04/13/2026 17:30 (53) Complete: 🔍 Cache ID: 99:F40:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸