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CVE-2020-20445

Date: May 25, 2021

FFmpeg 4.2 is affected by a Divide By Zero issue via libavcodec/lpc.h, which allows a remote malicious user to cause a Denial of Service.

Severity Score

6.5

Related Resources (8)

Url: https://nvd.nist.gov/vuln/detail/CVE-2020-20445

Url: https://security-tracker.debian.org/tracker/CVE-2020-20445

Url: https://lists.debian.org/debian-lts-announce/2021/11/msg00012.html

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2020-20445

Url: https://www.debian.org/security/2021/dsa-4990

Url: https://trac.ffmpeg.org/ticket/7996

Url: https://www.debian.org/security/2021/dsa-4998

Url: https://www.mend.io/vulnerability-database/CVE-2020-20445

Severity Score

6.5

Weakness Type (CWE)

Divide By Zero

CWE-369

CVSS v3.1

Base Score:	6.5
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	4.0
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	SINGLE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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