FFmpeg up to 9.0.2 libavcodec libavcodec/eatgv.c tgv_decode_inter null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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4.1$0-$5k0.00+

Summaryinfo

A vulnerability, which was classified as problematic, was found in FFmpeg up to 9.0.2. This vulnerability affects the function tgv_decode_inter of the file libavcodec/eatgv.c of the component libavcodec. The manipulation results in null pointer dereference. This vulnerability is known as CVE-2026-125065. Attacking locally is a requirement. No exploit is available.

Detailsinfo

A vulnerability classified as problematic has been found in FFmpeg up to 9.0.2. Affected is the function tgv_decode_inter of the file libavcodec/eatgv.c of the component libavcodec. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. The product dereferences a pointer that it expects to be valid but is NULL. This is going to have an impact on availability. CVE summarizes:

FFmpeg through 9.0.2 contains a NULL pointer dereference vulnerability in tgv_decode_inter() in libavcodec/eatgv.c that ignores init_get_bits() failure on oversized packets. Attackers can supply a crafted EA file with a kVGT frame followed by an fVGT inter frame with a 2^28-byte compressed block section, crashing the process for denial of service.

The advisory is shared for download at code.ffmpeg.org. This vulnerability is traded as CVE-2026-125065 since 11/09/2026. The exploitability is told to be easy. The attack needs to be approached locally. Successful exploitation requires user interaction by the victim. There are known technical details, 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.

Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

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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: 4.1
VulDB Meta Temp Score: 4.1

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

CNA Base Score: 5.5
CNA Vector (VulnCheck): 🔒

CVSSv2info

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

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
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-2026-125065 (🔒)

GCVE (CVE): GCVE-0-2026-125065
GCVE (VulDB): GCVE-100-433260

Entryinfo

Created: 11/09/2026 20:25
Changes: 11/09/2026 20:25 (75)
Complete: 🔍
Cache ID: 216::103

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