Is CVE-2020-13904 in the CISA KEV catalog?

No. CVE-2020-13904 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-13904?

CVE-2020-13904 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2020-13904?

CVE-2020-13904 has an EPSS score of 1.28% (67th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-13904?

Upgrade ffmpeg on debian 11 to 7:4.3.1-1 or later. Fixes are available for 34 affected products.

CVE & CISA-KEV Catalog

CVE-2020-13904

MEDIUM

5.5

CVSS v3

NVD

Description

FFmpeg 2.8 and 4.2.3 has a use-after-free via a crafted EXTINF duration in an m3u8 file because parse_playlist in libavformat/hls.c frees a pointer, and later that pointer is accessed in av_probe_input_format3 in libavformat/format.c.

CWE-416Use After Free

How to fix

Remediation Available

ffmpegDebian

Fixed in:7:4.3.1-1CVE-2020-13904

ffmpegUbuntu

Fixed in:7:2.8.17-0ubuntu0.1USN-4431-1

Fixed in:7:3.4.8-0ubuntu0.2USN-4431-1

Fixed in:7:4.2.4-1ubuntu0.1USN-4431-1

libavcodec-extra57Ubuntu

Fixed in:7:3.4.8-0ubuntu0.2USN-4431-1

libavcodec-extra58Ubuntu

Fixed in:7:4.2.4-1ubuntu0.1USN-4431-1

libavcodec-ffmpeg-extra56Ubuntu

Fixed in:7:2.8.17-0ubuntu0.1USN-4431-1

libavcodec-ffmpeg56Ubuntu

Fixed in:7:2.8.17-0ubuntu0.1USN-4431-1

libavcodec57Ubuntu

Fixed in:7:3.4.8-0ubuntu0.2USN-4431-1

libavcodec58Ubuntu

Fixed in:7:4.2.4-1ubuntu0.1USN-4431-1

libavdevice-ffmpeg56Ubuntu

Fixed in:7:2.8.17-0ubuntu0.1USN-4431-1

libavdevice57Ubuntu

Fixed in:7:3.4.8-0ubuntu0.2USN-4431-1

libavdevice58Ubuntu

Fixed in:7:4.2.4-1ubuntu0.1USN-4431-1

libavfilter-extra6Ubuntu

Fixed in:7:3.4.8-0ubuntu0.2USN-4431-1

libavfilter-extra7Ubuntu

Fixed in:7:4.2.4-1ubuntu0.1USN-4431-1

libavfilter-ffmpeg5Ubuntu

Fixed in:7:2.8.17-0ubuntu0.1USN-4431-1

libavfilter6Ubuntu

Fixed in:7:3.4.8-0ubuntu0.2USN-4431-1

libavfilter7Ubuntu

Fixed in:7:4.2.4-1ubuntu0.1USN-4431-1

libavformat-ffmpeg56Ubuntu

Fixed in:7:2.8.17-0ubuntu0.1USN-4431-1

libavformat57Ubuntu

Fixed in:7:3.4.8-0ubuntu0.2USN-4431-1

libavformat58Ubuntu

Fixed in:7:4.2.4-1ubuntu0.1USN-4431-1

libavresample-ffmpeg2Ubuntu

Fixed in:7:2.8.17-0ubuntu0.1USN-4431-1

libavresample3Ubuntu

Fixed in:7:3.4.8-0ubuntu0.2USN-4431-1

libavresample4Ubuntu

Fixed in:7:4.2.4-1ubuntu0.1USN-4431-1

libavutil-ffmpeg54Ubuntu

Fixed in:7:2.8.17-0ubuntu0.1USN-4431-1

libavutil55Ubuntu

Fixed in:7:3.4.8-0ubuntu0.2USN-4431-1

libavutil56Ubuntu

Fixed in:7:4.2.4-1ubuntu0.1USN-4431-1

libpostproc-ffmpeg53Ubuntu

Fixed in:7:2.8.17-0ubuntu0.1USN-4431-1

libpostproc54Ubuntu

Fixed in:7:3.4.8-0ubuntu0.2USN-4431-1

libpostproc55Ubuntu

Fixed in:7:4.2.4-1ubuntu0.1USN-4431-1

libswresample-ffmpeg1Ubuntu

Fixed in:7:2.8.17-0ubuntu0.1USN-4431-1

libswresample2Ubuntu

Fixed in:7:3.4.8-0ubuntu0.2USN-4431-1

libswresample3Ubuntu

Fixed in:7:4.2.4-1ubuntu0.1USN-4431-1

libswscale-ffmpeg3Ubuntu

Fixed in:7:2.8.17-0ubuntu0.1USN-4431-1

libswscale4Ubuntu

Fixed in:7:3.4.8-0ubuntu0.2USN-4431-1

libswscale5Ubuntu

Fixed in:7:4.2.4-1ubuntu0.1USN-4431-1

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 VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

1.28%probability of exploitation in 30 days

67thpercentile

Moderate risk: more likely to be exploited than 67% of all known CVEs.

References

Patch1

github.com

Exploit1

trac.ffmpeg.org

Third-Party Advisory4

Other references1

patchwork.ffmpeg.org

Related Vulnerabilities

Other CWE-416 (Use After Free) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-0708	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-31166	Critical	9.8	100%	KEV	Fix
CVE-2015-5119	Critical	9.8	99%	KEV	-
CVE-2010-3962	High	8.1	97%	KEV	-
CVE-2015-0313	Critical	9.8	96%	KEV	Fix
CVE-2017-9798	High	7.5	95%	-	Fix

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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.