# CVE-2020-0499: flac: In FLAC__bitreader_read_rice_signed_block of bitreader.c, there is a possible out of bounds read due to a heap buffer...

CVE-2020-0499 is fixed in 3 products on 1 platform, first by flac 1.3.2-1ubuntu0.1, released June 22, 2021. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2020-0499
- Priority: Routine
- CVSS: n/a (Low)
- EPSS: 0.0408
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Dec 15, 2020

## Description

In FLAC__bitreader_read_rice_signed_block of bitreader.c, there is a possible out of bounds read due to a heap buffer overflow. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-156076070

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | flac Ubuntu 18.04.6 LTS (bionic) | 1.3.2-1ubuntu0.1 | [flac 1.3.2-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-flac-1.3.2-1ubuntu0.1.md) | Jun 22, 2021 |
| Linux | flac Ubuntu 20.04 LTS (focal) | 1.3.3-1ubuntu0.1 | [flac 1.3.3-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-flac-1.3.3-1ubuntu0.1.md) | Jun 22, 2021 |
| Linux | libflac++6v5 Ubuntu 18.04.6 LTS (bionic) | 1.3.2-1ubuntu0.1 | [libflac++6v5 1.3.2-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libflac-6v5-1.3.2-1ubuntu0.1.md) | Jun 22, 2021 |
| Linux | libflac++6v5 Ubuntu 20.04 LTS (focal) | 1.3.3-1ubuntu0.1 | [libflac++6v5 1.3.3-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libflac-6v5-1.3.3-1ubuntu0.1.md) | Jun 22, 2021 |
| Linux | libflac8 Ubuntu 18.04.6 LTS (bionic) | 1.3.2-1ubuntu0.1 | [libflac8 1.3.2-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libflac8-1.3.2-1ubuntu0.1.md) | Jun 22, 2021 |
| Linux | libflac8 Ubuntu 20.04 LTS (focal) | 1.3.3-1ubuntu0.1 | [libflac8 1.3.3-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libflac8-1.3.3-1ubuntu0.1.md) | Jun 22, 2021 |

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Data as of 2026-11-08T00:53:09Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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