# CVE-2020-26797: libmediainfo0v5: Mediainfo before version 20.08 has a heap buffer overflow vulnerability via MediaInfoLib::File_Gxf::ChooseParser_Chan...

CVE-2020-26797 is fixed in 3 products on 1 platform, first by libmediainfo0v5 17.12-1ubuntu0.1+esm1, released March 18, 2021. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2020-26797
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0287
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Mar 18, 2021

## Description

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

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libmediainfo0v5 Ubuntu 18.04.6 LTS (bionic) | 17.12-1ubuntu0.1+esm1 | [libmediainfo0v5 17.12-1ubuntu0.1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libmediainfo0v5-17.12-1ubuntu0.1-esm1.md) | Mar 18, 2021 |
| Linux | libmediainfo0v5 Ubuntu 20.04 LTS (focal) | 19.09+dfsg-2ubuntu0.1~esm1 | [libmediainfo0v5 19.09+dfsg-2ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libmediainfo0v5-19.09-dfsg-2ubuntu0.1-esm1.md) | Mar 18, 2021 |
| Linux | python-mediainfodll Ubuntu 18.04.6 LTS (bionic) | 17.12-1ubuntu0.1+esm1 | [python-mediainfodll 17.12-1ubuntu0.1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-mediainfodll-17.12-1ubuntu0.1-esm1.md) | Mar 18, 2021 |
| Linux | python3-mediainfodll Ubuntu 18.04.6 LTS (bionic) | 17.12-1ubuntu0.1+esm1 | [python3-mediainfodll 17.12-1ubuntu0.1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python3-mediainfodll-17.12-1ubuntu0.1-esm1.md) | Mar 18, 2021 |
| Linux | python3-mediainfodll Ubuntu 20.04 LTS (focal) | 19.09+dfsg-2ubuntu0.1~esm1 | [python3-mediainfodll 19.09+dfsg-2ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python3-mediainfodll-19.09-dfsg-2ubuntu0.1-esm1.md) | Mar 18, 2021 |

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Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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