What is CVE-2020-20451?

CVE-2020-20451 is a high-severity vulnerability in Ffmpeg, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 7.5/10. Published 2021-05-25.

How severe is CVE-2020-20451?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2020-20451 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Ffmpeg

CVE-2020-20451

Denial of Service issue in FFmpeg 4.2 due to resource management errors via fftools/cmdutils.c.

EPSS: 0.013 (68.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Ffmpeg — versions 4.2
Debian Debian_linux — versions 9.0
N/a — versions n/a

Weakness classification (CWE)

CWE-401 — Missing Release of Memory after Effective Lifetime

Public proof-of-concept exploits

akaganeite/CVE4PP

References

cve@mitre.org (Exploit, Patch, x_refsource_MISC, Vendor Advisory)
cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2020-20451?: CVE-2020-20451 is a high-severity vulnerability in Ffmpeg, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 7.5/10. Published 2021-05-25.
How severe is CVE-2020-20451?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2020-20451 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.