SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-26797

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

HIGH 7.5EPSS 2.87%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.87%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
2.87% probability · 87th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-787
Affected
mediaarea/mediainfo · fedoraproject/fedora
Source
cve@mitre.org
EPSS trend
0%3%5%17 October 2026: 2.87%26 October 2026: 2.87%17 October 202626 October 2026

EPSS moved from 2.9% on 17 October 2026 to 2.9% on 26 October 2026.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.