CVE-2021-30123 - Vulnerability Details - OpenCVE

Description

FFmpeg <=4.3 contains a buffer overflow vulnerability in libavcodec through a crafted file that may lead to remote code execution.

Published: 2021-04-07

Score: 8.8 High

EPSS: 3.4% Low

KEV: No

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:ffmpeg:ffmpeg:4.4:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-17063	FFmpeg <=4.3 contains a buffer overflow vulnerability in libavcodec through a crafted file that may lead to remote code execution.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.03431.

Key SSVC decision points have not yet been added.

References

Link	Providers
http://git.videolan.org/?p=ffmpeg.git%3Ba=commitdiff%3Bh=d6f293353c94c7ce200f6e0975ae3de49787f91f
https://security.gentoo.org/glsa/202105-24
https://trac.ffmpeg.org/ticket/8845
https://trac.ffmpeg.org/ticket/8863

History

No history.

Subscriptions

Ffmpeg Ffmpeg

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-04-07T19:16:02.000Z

Updated: 2024-08-03T22:24:59.335Z

Reserved: 2021-04-02T00:00:00.000Z

Link: CVE-2021-30123

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-04-07T20:15:13.403

Modified: 2026-06-17T03:49:42.420

Link: CVE-2021-30123

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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