Is CVE-2020-26797 in the CISA KEV catalog?

No. CVE-2020-26797 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-26797?

CVE-2020-26797 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2020-26797?

CVE-2020-26797 has an EPSS score of 4.24% (90th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-26797?

Upgrade libmediainfo on debian 11 to 20.09+dfsg-2 or later. Fixes are available for 6 affected products.

CVE & CISA-KEV Catalog

CVE-2020-26797

HIGHEPSS 90th pctl

7.5

CVSS v3

NVD

Description

Mediainfo before version 20.08 has a heap buffer overflow vulnerability via MediaInfoLib::File_Gxf::ChooseParser_ChannelGrouping.

CWE-787Out-of-bounds Write

How to fix

Remediation Available

libmediainfoDebian

Fixed in:20.09+dfsg-2CVE-2020-26797

libmediainfoUbuntu

Fixed in:0.7.67-2ubuntu1+esm2USN-5237-1

Fixed in:0.7.82-1ubuntu0.1~esm2USN-5237-1

Fixed in:17.12-1ubuntu0.1+esm1USN-5237-1

Fixed in:19.09+dfsg-2ubuntu0.1~esm1USN-5237-1

libmediainfo0Ubuntu

Fixed in:0.7.67-2ubuntu1+esm2USN-5237-1

libmediainfo0v5Ubuntu

Fixed in:0.7.82-1ubuntu0.1~esm2USN-5237-1

Fixed in:17.12-1ubuntu0.1+esm1USN-5237-1

Fixed in:19.09+dfsg-2ubuntu0.1~esm1USN-5237-1

MediaInfoWindows application

Affected:20.08Fixed in:20.08MediaArea.net

MediaInfo-CLIWindows application

Affected:20.08Fixed in:20.08MediaArea.net

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 InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

4.24%probability of exploitation in 30 days

90thpercentile

Elevated risk: more likely to be exploited than 90% of all known CVEs.

References

Patch1

sourceforge.net

Other references1

lists.fedoraproject.org

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-22457	Critical	9.0	100%	KEV + Ransom	Fix
CVE-2025-0282	Critical	9.0	100%	KEV + Ransom	-
CVE-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2021-20038	Critical	9.8	100%	KEV + Ransom	-
CVE-2023-4863	High	8.8	100%	KEV	Fix
CVE-2020-16040	Medium	6.5	100%	-	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.