Is CVE-2020-22043 in the CISA KEV catalog?

No. CVE-2020-22043 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-22043?

CVE-2020-22043 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2020-22043?

CVE-2020-22043 has an EPSS score of 1.03% (60th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-22043?

Upgrade ffmpeg on debian 11 to 7:4.3-2 or later. Fixes are available for 37 affected products.

CVE & CISA-KEV Catalog

CVE-2020-22043

MEDIUM

6.5

CVSS v3

NVD

Description

A Denial of Service vulnerability exists in FFmpeg 4.2 due to a memory leak at the fifo_alloc_common function in libavutil/fifo.c.

CWE-401Missing Release of Memory (Memory Leak)

How to fix

Remediation Available

ffmpegDebian

Fixed in:7:4.3-2CVE-2020-22043

ffmpegUbuntu

Fixed in:7:2.8.17-0ubuntu0.1+esm6USN-6430-1

Fixed in:7:3.4.11-0ubuntu0.1+esm2USN-6430-1

Fixed in:7:4.2.7-0ubuntu0.1+esm2USN-6430-1

libav-toolsUbuntu

Fixed in:7:2.8.17-0ubuntu0.1+esm6USN-6430-1

libavcodec-extraUbuntu

Fixed in:7:2.8.17-0ubuntu0.1+esm6USN-6430-1

Fixed in:7:3.4.11-0ubuntu0.1+esm2USN-6430-1

Fixed in:7:4.2.7-0ubuntu0.1+esm2USN-6430-1

libavcodec-extra57Ubuntu

Fixed in:7:3.4.11-0ubuntu0.1+esm2USN-6430-1

libavcodec-extra58Ubuntu

Fixed in:7:4.2.7-0ubuntu0.1+esm2USN-6430-1

libavcodec-ffmpeg-extra56Ubuntu

Fixed in:7:2.8.17-0ubuntu0.1+esm6USN-6430-1

libavcodec-ffmpeg56Ubuntu

Fixed in:7:2.8.17-0ubuntu0.1+esm6USN-6430-1

libavcodec57Ubuntu

Fixed in:7:3.4.11-0ubuntu0.1+esm2USN-6430-1

libavcodec58Ubuntu

Fixed in:7:4.2.7-0ubuntu0.1+esm2USN-6430-1

libavdevice-ffmpeg56Ubuntu

Fixed in:7:2.8.17-0ubuntu0.1+esm6USN-6430-1

libavdevice57Ubuntu

Fixed in:7:3.4.11-0ubuntu0.1+esm2USN-6430-1

libavdevice58Ubuntu

Fixed in:7:4.2.7-0ubuntu0.1+esm2USN-6430-1

libavfilter-extraUbuntu

Fixed in:7:3.4.11-0ubuntu0.1+esm2USN-6430-1

Fixed in:7:4.2.7-0ubuntu0.1+esm2USN-6430-1

libavfilter-extra6Ubuntu

Fixed in:7:3.4.11-0ubuntu0.1+esm2USN-6430-1

libavfilter-extra7Ubuntu

Fixed in:7:4.2.7-0ubuntu0.1+esm2USN-6430-1

libavfilter-ffmpeg5Ubuntu

Fixed in:7:2.8.17-0ubuntu0.1+esm6USN-6430-1

libavfilter6Ubuntu

Fixed in:7:3.4.11-0ubuntu0.1+esm2USN-6430-1

libavfilter7Ubuntu

Fixed in:7:4.2.7-0ubuntu0.1+esm2USN-6430-1

libavformat-ffmpeg56Ubuntu

Fixed in:7:2.8.17-0ubuntu0.1+esm6USN-6430-1

libavformat57Ubuntu

Fixed in:7:3.4.11-0ubuntu0.1+esm2USN-6430-1

libavformat58Ubuntu

Fixed in:7:4.2.7-0ubuntu0.1+esm2USN-6430-1

libavresample-ffmpeg2Ubuntu

Fixed in:7:2.8.17-0ubuntu0.1+esm6USN-6430-1

libavresample3Ubuntu

Fixed in:7:3.4.11-0ubuntu0.1+esm2USN-6430-1

libavresample4Ubuntu

Fixed in:7:4.2.7-0ubuntu0.1+esm2USN-6430-1

libavutil-ffmpeg54Ubuntu

Fixed in:7:2.8.17-0ubuntu0.1+esm6USN-6430-1

libavutil55Ubuntu

Fixed in:7:3.4.11-0ubuntu0.1+esm2USN-6430-1

libavutil56Ubuntu

Fixed in:7:4.2.7-0ubuntu0.1+esm2USN-6430-1

libpostproc-ffmpeg53Ubuntu

Fixed in:7:2.8.17-0ubuntu0.1+esm6USN-6430-1

libpostproc54Ubuntu

Fixed in:7:3.4.11-0ubuntu0.1+esm2USN-6430-1

libpostproc55Ubuntu

Fixed in:7:4.2.7-0ubuntu0.1+esm2USN-6430-1

libswresample-ffmpeg1Ubuntu

Fixed in:7:2.8.17-0ubuntu0.1+esm6USN-6430-1

libswresample2Ubuntu

Fixed in:7:3.4.11-0ubuntu0.1+esm2USN-6430-1

libswresample3Ubuntu

Fixed in:7:4.2.7-0ubuntu0.1+esm2USN-6430-1

libswscale-ffmpeg3Ubuntu

Fixed in:7:2.8.17-0ubuntu0.1+esm6USN-6430-1

libswscale4Ubuntu

Fixed in:7:3.4.11-0ubuntu0.1+esm2USN-6430-1

libswscale5Ubuntu

Fixed in:7:4.2.7-0ubuntu0.1+esm2USN-6430-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Exploit Intelligence

1.03%probability of exploitation in 30 days

60thpercentile

Moderate risk: more likely to be exploited than 60% of all known CVEs.

References

Exploit1

trac.ffmpeg.org

Related Vulnerabilities

Other CWE-401 (Missing Release of Memory (Memory Leak)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-13934	High	7.5	64%	-	Fix
CVE-2016-6304	High	7.5	63%	-	Fix
CVE-2019-12265	Medium	5.3	55%	-	Fix
CVE-2001-0136	Medium	5.0	45%	-	-
CVE-2016-4232	High	7.5	36%	-	-
CVE-2001-0543	Medium	5.0	21%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.