CVE-2020-26797
CVE-2020-26797 is a high-severity vulnerability in Mediaarea Mediainfo with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 4% (90th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Mediaarea Mediainfo
- Published:
- Last modified:
Description
Mediainfo before version 20.08 has a heap buffer overflow vulnerability via MediaInfoLib::File_Gxf::ChooseParser_ChannelGrouping.
Frequently asked questions
- What is CVE-2020-26797?
- Mediainfo before version 20.08 has a heap buffer overflow vulnerability via MediaInfoLib::File_Gxf::ChooseParser_ChannelGrouping.
- How severe is CVE-2020-26797?
- CVE-2020-26797 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2020-26797 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-26797?
- CVE-2020-26797 primarily affects Mediaarea Mediainfo. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2020-26797?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2020-26797 published?
- CVE-2020-26797 was published on 2021-03-18 and last updated on 2026-06-17.
References
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WYI2372RLWYQVLSYD5PBI4YTXNMVDZCZ/
- https://sourceforge.net/p/mediainfo/bugs/1154/
Affected products (2)
- cpe:2.3:a:mediaarea:mediainfo:*:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
More vulnerabilities in Mediaarea Mediainfo
- CVE-2020-15395 — High (CVSS 7.8): In MediaInfoLib in MediaArea MediaInfo 20.03, there is a stack-based buffer over-read in Streams_Fill_PerStream in…
- CVE-2019-11373 — Medium (CVSS 6.5): An out-of-bounds read in File__Analyze::Get_L8 in File__Analyze_Buffer.cpp in MediaInfoLib in MediaArea MediaInfo 18.12…
- CVE-2019-11372 — Medium (CVSS 6.5): An out-of-bounds read in MediaInfoLib::File__Tags_Helper::Synched_Test in Tag/File__Tags.cpp in MediaInfoLib in…
All CVEs affecting Mediaarea Mediainfo →
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