CVE-2020-20891
CVSS v3
8.8
HIGH
EPSS Score
1.2 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Buffer Overflow vulnerability in function config_input in libavfilter/vf_gblur.c in Ffmpeg 4.2.1, allows attackers to cause a Denial of Service or other unspecified impacts.
Technical details
- Published
- 2021-09-20
Frequently asked questions
What is CVE-2020-20891?
Buffer Overflow vulnerability in function config_input in libavfilter/vf_gblur.c in Ffmpeg 4.2.1, allows attackers to cause a Denial of Service or other unspecified impacts.
Is CVE-2020-20891 actively exploited?
Active exploitation of CVE-2020-20891 has not been confirmed. Its EPSS score was 1.2% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-20891?
CVE-2020-20891 has a CVSS v3 base score of 8.8 (HIGH severity).
Is CVE-2020-20891 affecting your environment?
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