FFmpeg up to 9.0.2 DXA decoder libavcodec/dxa.c 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, was found in FFmpeg up to 9.0.2. Affected by this issue is some unknown functionality of the file libavcodec/dxa.c of the component DXA decoder. The manipulation results in information disclosure. This vulnerability is reported as CVE-2026-125192. The attack requires a local approach. No exploit exists.

Detailsinfo

A vulnerability was found in FFmpeg up to 9.0.2. It has been classified as problematic. Affected is some unknown functionality of the file libavcodec/dxa.c of the component DXA 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. CVE summarizes:

FFmpeg through 9.0.2 contains an uninitialized memory vulnerability in the DXA decoder in libavcodec/dxa.c that allows attackers to disclose heap memory via crafted DXA files. Attackers can supply a DXA video with a type 4 frame that copies the uninitialized decomp_buf buffer into output pictures, exposing leftover heap contents in decoded frames.

The advisory is available at code.ffmpeg.org. This vulnerability is traded as CVE-2026-125192 since 11/09/2026. The exploitability is told to be easy. Local access is required to approach this attack. Successful exploitation requires user interaction by the victim. Technical details 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.

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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-2026-125192 (🔒)

GCVE (CVE): GCVE-0-2026-125192
GCVE (VulDB): GCVE-100-433302

Entryinfo

Created: 11/09/2026 20:38
Changes: 11/09/2026 20:38 (74)
Complete: 🔍
Cache ID: 216::103

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