FFmpeg 4.1.3 is affected by a Divide By Zero issue via libavcodec/ratecontrol.c, which allows a remote malicious user to cause a Denial of Service.
Published 2021-05-25 18:15:08
Updated 2021-05-27 01:48:13
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Denial of service

Exploit prediction scoring system (EPSS) score for CVE-2020-20448

0.07%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 28 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-20448

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-2020-20448

References for CVE-2020-20448

  • https://trac.ffmpeg.org/ticket/7990
    #7990 (undefined-behavior at libavcodec/snowenc.c and division by zero at libavcodec/ratecontrol.c) – FFmpeg
    Issue Tracking;Vendor Advisory

Products affected by CVE-2020-20448

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