FFmpeg up to 9.0.2 VQA Video Decoder libavcodec/vqavideo.c vqa_decode_frame information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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3.0$0-$5k0.00+

Summaryinfo

A vulnerability, which was classified as problematic, has been found in FFmpeg up to 9.0.2. Affected is the function vqa_decode_frame of the file libavcodec/vqavideo.c of the component VQA Video Decoder. Performing a manipulation results in information disclosure. This vulnerability is known as CVE-2026-125179. Attacking locally is a requirement. No exploit is available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in FFmpeg up to 9.0.2. This affects the function vqa_decode_frame of the file libavcodec/vqavideo.c of the component VQA Video Decoder. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-945. This is going to have an impact on confidentiality. The summary by CVE is:

FFmpeg through 9.0.2 contains an uninitialized memory vulnerability in the VQA video decoder in libavcodec/vqavideo.c that allows attackers to disclose heap memory via a crafted VQA file. Attackers can supply a Westwood VQA file omitting or truncating the CBF0/CBFZ codebook chunk, causing vqa_decode_frame() to render frames from leftover heap bytes visible in decoded output.

The advisory is shared at code.ffmpeg.org. This vulnerability is uniquely identified as CVE-2026-125179 since 11/09/2026. The exploitability is told to be easy. An attack has to be approached locally. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

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

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Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 3.0
VulDB Meta Temp Score: 3.0

VulDB Base Score: 2.8
VulDB Temp Score: 2.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 3.3
CNA Vector (VulnCheck): 🔒

CVSSv2info

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

Exploitinginfo

Class: Information disclosure
CWE: CWE-945
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Partially

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

11/09/2026 Advisory disclosed
11/09/2026 +0 days CVE reserved
11/09/2026 +0 days VulDB entry created
11/09/2026 +0 days VulDB entry last update

Sourcesinfo

Product: ffmpeg.org

Advisory: code.ffmpeg.org
Status: Not defined

CNA: VulnCheck
CVE: CVE-2026-125179 (🔒)

GCVE (CVE): GCVE-0-2026-125179
GCVE (VulDB): GCVE-100-433245

Entryinfo

Created: 11/09/2026 20:21
Changes: 11/09/2026 20:21 (75)
Complete: 🔍
Cache ID: 216::103

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