Vulnerability Details : CVE-2020-20453
FFmpeg 4.2 is affected by a Divide By Zero issue via libavcodec/aaccoder, which allows a remote malicious user to cause a Denial of Service
Vulnerability category: Denial of service
Products affected by CVE-2020-20453
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
- cpe:2.3:a:ffmpeg:ffmpeg:4.2:-:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-20453
1.50%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 87 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-20453
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:N/I:N/A:P |
8.0
|
2.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2020-20453
-
The product divides a value by zero.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-20453
-
https://www.debian.org/security/2021/dsa-4998
Debian -- Security Information -- DSA-4998-1 ffmpegThird Party Advisory
-
https://trac.ffmpeg.org/ticket/8003
#8003 (Division by zero at libavcodec/aaccoder.c) – FFmpegExploit;Issue Tracking;Patch;Vendor Advisory
-
https://lists.debian.org/debian-lts-announce/2021/11/msg00012.html
[SECURITY] [DLA 2818-1] ffmpeg security updateMailing List;Third Party Advisory
-
https://www.debian.org/security/2021/dsa-4990
Debian -- Security Information -- DSA-4990-1 ffmpegThird Party Advisory
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