# CVE-2020-21595: libde265-0: libde265 v1.0.4 contains a heap buffer overflow in the mc_luma function, which can be exploited via a crafted a file.

CVE-2020-21595 is fixed in 2 products on 1 platform, first by libde265-0 1.0.2-2ubuntu0.18.04.1~esm1, released September 16, 2021. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2020-21595
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0110
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 16, 2021

## Description

libde265 v1.0.4 contains a heap buffer overflow in the mc_luma function, which can be exploited via a crafted a file.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libde265-0 Ubuntu 18.04.6 LTS (bionic) | 1.0.2-2ubuntu0.18.04.1~esm1 | [libde265-0 1.0.2-2ubuntu0.18.04.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libde265-0-1.0.2-2ubuntu0.18.04.1-esm1.md) | Sep 16, 2021 |
| Linux | libde265-0 Ubuntu 20.04 LTS (focal) | 1.0.4-1ubuntu0.1 | [libde265-0 1.0.4-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libde265-0-1.0.4-1ubuntu0.1.md) | Jan 10, 2022 |
| Linux | libde265-examples Ubuntu 18.04.6 LTS (bionic) | 1.0.2-2ubuntu0.18.04.1~esm1 | [libde265-examples 1.0.2-2ubuntu0.18.04.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libde265-examples-1.0.2-2ubuntu0.18.04.1-esm1.md) | Sep 16, 2021 |
| Linux | libde265-examples Ubuntu 20.04 LTS (focal) | 1.0.4-1ubuntu0.1 | [libde265-examples 1.0.4-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libde265-examples-1.0.4-1ubuntu0.1.md) | Jan 10, 2022 |

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