FFmpeg 4.2 options.c avcodec_alloc_context3 denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in FFmpeg 4.2. Affected by this issue is the function avcodec_alloc_context3 of the file options.c. Such manipulation leads to denial of service. This vulnerability is traded as CVE-2020-22037. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in FFmpeg 4.2 (Multimedia Processing Software) and classified as problematic. Affected by this issue is the function avcodec_alloc_context3 of the file options.c. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.

The weakness was shared 06/02/2021. The advisory is shared for download at trac.ffmpeg.org. This vulnerability is handled as CVE-2020-22037. 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.

The vulnerability scanner Nessus provides a plugin with the ID 233840 (SUSE SLES15 Security Update : ffmpeg-4 (SUSE-SU-2025:1128-1)), which helps to determine the existence of the flaw in a target environment.

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

The vulnerability is also documented in the vulnerability database at Tenable (233840). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 233840
Nessus Name: SUSE SLES15 Security Update : ffmpeg-4 (SUSE-SU-2025:1128-1)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/13/2020 🔍
06/02/2021 +293 days 🔍
06/02/2021 +0 days 🔍
04/04/2025 +1402 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: trac.ffmpeg.org
Status: Confirmed

CVE: CVE-2020-22037 (🔍)
GCVE (CVE): GCVE-0-2020-22037
GCVE (VulDB): GCVE-100-176144

Entryinfo

Created: 06/02/2021 06:47
Updated: 04/04/2025 22:02
Changes: 06/02/2021 06:47 (37), 06/03/2021 20:59 (2), 04/04/2025 22:02 (16)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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