CVE-2020-20450 — HIGH (7.5)

Vulnerability Description

FFmpeg 4.2 is affected by null pointer dereference passed as argument to libavformat/aviobuf.c, which could cause a Denial of Service.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Ffmpeg	Ffmpeg	4.2
Debian	Debian Linux	11.0

Related Weaknesses (CWE)

CWE-476

References

https://trac.ffmpeg.org/ticket/7993Issue TrackingVendor Advisory
https://www.debian.org/security/2021/dsa-4998Third Party Advisory
https://trac.ffmpeg.org/ticket/7993Issue TrackingVendor Advisory
https://www.debian.org/security/2021/dsa-4998Third Party Advisory

FAQ

What is CVE-2020-20450?

CVE-2020-20450 is a vulnerability with a CVSS score of 7.5 (HIGH). FFmpeg 4.2 is affected by null pointer dereference passed as argument to libavformat/aviobuf.c, which could cause a Denial of Service.

How severe is CVE-2020-20450?

CVE-2020-20450 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-20450?

Check the references section above for vendor advisories and patch information. Affected products include: Ffmpeg Ffmpeg, Debian Debian Linux.