# CVE-2021-44269: wavpack: WavPack is a completely open audio compression format providing lossless, high-quality lossy and a unique hybrid comp...

CVE-2021-44269 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2021-44269, released March 10, 2022. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2021-44269
- Priority: Routine
- CVSS: 5.5 (Low)
- EPSS: 0.0115
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Mar 10, 2022

## Description

WavPack is a completely open audio compression format providing lossless, high-quality lossy and a unique hybrid compression mode.   Security Fix(es):  * wavpack: Heap out-of-bounds read in WavpackPackSamples() (CVE-2021-44269)  For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.  Additional Changes:  For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.7 Release Notes linked from the References section.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | wavpack Debian 12.15 (bookworm) | 5.5.0-1 | [DEBIAN-CVE-2021-44269](https://patchblox.com/security/data/fix/linux/debian-cve-2021-44269.md) | Mar 10, 2022 |
| Linux | wavpack Debian 13.5 (trixie) | 5.5.0-1 | [DEBIAN-CVE-2021-44269](https://patchblox.com/security/data/fix/linux/debian-cve-2021-44269.md) | Mar 10, 2022 |
| Linux | wavpack Debian 14 | 5.5.0-1 | [DEBIAN-CVE-2021-44269](https://patchblox.com/security/data/fix/linux/debian-cve-2021-44269.md) | Mar 10, 2022 |
| Linux | wavpack RHEL 8 | 0:5.1.0-16.el8 | [RHSA-2022:7558](https://patchblox.com/security/data/fix/linux/rhsa-2022-7558.md) | Nov 8, 2022 |
| Linux | wavpack RHEL 9 | 0:5.4.0-5.el9 | [RHSA-2022:8139](https://patchblox.com/security/data/fix/linux/rhsa-2022-8139.md) | Nov 15, 2022 |
| Linux | wavpack almalinux 8 | 5.1.0-16.el8 | [ALSA-2022:7558](https://patchblox.com/security/data/fix/linux/alsa-2022-7558.md) | Nov 8, 2022 |
| Linux | wavpack almalinux 9 | 5.4.0-5.el9 | [ALSA-2022:8139](https://patchblox.com/security/data/fix/linux/alsa-2022-8139.md) | Nov 15, 2022 |
| Linux | wavpack ol 8 | 0:5.1.0-16.el8 | [ELSA-2022-7558](https://patchblox.com/security/data/fix/linux/elsa-2022-7558.md) | Nov 15, 2022 |
| Linux | wavpack ol 9 | 0:5.4.0-5.el9 | [ELSA-2022-8139](https://patchblox.com/security/data/fix/linux/elsa-2022-8139.md) | Nov 22, 2022 |
| Linux | wavpack rocky 8 | 0:5.1.0-16.el8 | [RLSA-2022:7558](https://patchblox.com/security/data/fix/linux/rlsa-2022-7558.md) | Nov 8, 2022 |
| Linux | wavpack rocky 9 | 0:5.4.0-5.el9 | [RLSA-2022:8139](https://patchblox.com/security/data/fix/linux/rlsa-2022-8139.md) | Nov 15, 2022 |
| Linux | wavpack-devel RHEL 8 | 0:5.1.0-16.el8 | [RHSA-2022:7558](https://patchblox.com/security/data/fix/linux/rhsa-2022-7558.md) | Nov 8, 2022 |
| Linux | wavpack-devel RHEL 9 | 0:5.4.0-5.el9 | [RHSA-2022:8139](https://patchblox.com/security/data/fix/linux/rhsa-2022-8139.md) | Nov 15, 2022 |
| Linux | wavpack-devel almalinux 8 | 5.1.0-16.el8 | [ALSA-2022:7558](https://patchblox.com/security/data/fix/linux/alsa-2022-7558.md) | Nov 8, 2022 |
| Linux | wavpack-devel almalinux 9 | 5.4.0-5.el9 | [ALSA-2022:8139](https://patchblox.com/security/data/fix/linux/alsa-2022-8139.md) | Nov 15, 2022 |
| Linux | wavpack-devel ol 8 | 0:5.1.0-16.el8 | [ELSA-2022-7558](https://patchblox.com/security/data/fix/linux/elsa-2022-7558.md) | Nov 15, 2022 |
| Linux | wavpack-devel ol 9 | 0:5.4.0-5.el9 | [ELSA-2022-8139](https://patchblox.com/security/data/fix/linux/elsa-2022-8139.md) | Nov 22, 2022 |

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Data as of 2026-11-09T13:31:49Z 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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