What is CVE-2020-22028?

CVE-2020-22028 is a medium-severity vulnerability in Ffmpeg, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.5/10. Published 2021-05-26.

How severe is CVE-2020-22028?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2020-22028 known to be exploited?

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

Buffer overflow in Ffmpeg

CVE-2020-22028

Buffer Overflow vulnerability exists in FFmpeg 4.2 in filter_vertically_8 at libavfilter/vf_avgblur.c, which could cause a remote Denial of Service.

Vulnerability class: Buffer Overflow

EPSS: 0.017 (74.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Ffmpeg — versions 4.2
Debian Debian_linux — versions 9.0, 10.0
N/a — versions n/a

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

Public proof-of-concept exploits

akaganeite/CVE4PP

References

cve@mitre.org (Exploit, x_refsource_MISC, Issue Tracking, Vendor Advisory)
cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)

Frequently asked questions

What is CVE-2020-22028?: CVE-2020-22028 is a medium-severity vulnerability in Ffmpeg, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.5/10. Published 2021-05-26.
How severe is CVE-2020-22028?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2020-22028 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.