# CVE-2026-37555: libsndfile: libsndfile is a C library for reading and writing files containing sampled sound, such as AIFF, AU, or WAV

CVE-2026-37555 is fixed in 3 products on 1 platform, first by ALSA-2026:19560, released May 20, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-37555
- Priority: High
- CVSS: 8.2 (Important)
- EPSS: 0.0050
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 29, 2026

## Description

libsndfile is a C library for reading and writing files containing sampled sound, such as AIFF, AU, or WAV.   Security Fix(es):  * libsndfile: integer overflow in ima_reader_init() (CVE-2026-37555)  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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libsndfile RHEL 10 | 1.2.2-5.el10_0.1 | [RHSA-2026:25092](https://patchblox.com/security/data/fix/linux/rhsa-2026-25092.md) | May 27, 2026 |
| Linux | libsndfile RHEL 8 | 0:1.0.28-17.el8_10 | [RHSA-2026:19559](https://patchblox.com/security/data/fix/linux/rhsa-2026-19559.md) | May 27, 2026 |
| Linux | libsndfile RHEL 9 | 0:1.0.31-9.el9_8.1 | [RHSA-2026:19610](https://patchblox.com/security/data/fix/linux/rhsa-2026-19610.md) | May 27, 2026 |
| Linux | libsndfile almalinux 10 | 1.2.2-6.el10_2.1 | [ALSA-2026:19560](https://patchblox.com/security/data/fix/linux/alsa-2026-19560.md) | May 20, 2026 |
| Linux | libsndfile almalinux 8 | 1.0.28-17.el8_10 | [ALSA-2026:19559](https://patchblox.com/security/data/fix/linux/alsa-2026-19559.md) | May 20, 2026 |
| Linux | libsndfile almalinux 9 | 1.0.31-9.el9_8.1 | [ALSA-2026:19610](https://patchblox.com/security/data/fix/linux/alsa-2026-19610.md) | May 20, 2026 |
| Linux | libsndfile ol 10 | 0:1.2.2-6.el10_2.1 | [ELSA-2026-19560](https://patchblox.com/security/data/fix/linux/elsa-2026-19560.md) | Jul 16, 2026 |
| Linux | libsndfile ol 8 | 0:1.0.28-17.el8_10 | [ELSA-2026-19559](https://patchblox.com/security/data/fix/linux/elsa-2026-19559.md) | May 21, 2026 |
| Linux | libsndfile ol 9 | 0:1.0.31-9.el9_8.1 | [ELSA-2026-19610](https://patchblox.com/security/data/fix/linux/elsa-2026-19610.md) | Jun 23, 2026 |
| Linux | libsndfile rocky 10 | 0:1.2.2-6.el10_2.1 | [RLSA-2026:19560](https://patchblox.com/security/data/fix/linux/rlsa-2026-19560.md) | May 29, 2026 |
| Linux | libsndfile rocky 8 | 0:1.0.28-17.el8_10 | [RLSA-2026:19559](https://patchblox.com/security/data/fix/linux/rlsa-2026-19559.md) | May 21, 2026 |
| Linux | libsndfile rocky 9 | 0:1.0.31-9.el9_8.1 | [RLSA-2026:19610](https://patchblox.com/security/data/fix/linux/rlsa-2026-19610.md) | May 28, 2026 |
| Linux | libsndfile-devel RHEL 8 | 0:1.0.28-17.el8_10 | [RHSA-2026:19559](https://patchblox.com/security/data/fix/linux/rhsa-2026-19559.md) | May 27, 2026 |
| Linux | libsndfile-devel RHEL 9 | 0:1.0.31-9.el9_8.1 | [RHSA-2026:19610](https://patchblox.com/security/data/fix/linux/rhsa-2026-19610.md) | May 27, 2026 |
| Linux | libsndfile-devel almalinux 10 | 1.2.2-6.el10_2.1 | [ALSA-2026:19560](https://patchblox.com/security/data/fix/linux/alsa-2026-19560.md) | May 20, 2026 |
| Linux | libsndfile-devel almalinux 8 | 1.0.28-17.el8_10 | [ALSA-2026:19559](https://patchblox.com/security/data/fix/linux/alsa-2026-19559.md) | May 20, 2026 |
| Linux | libsndfile-devel almalinux 9 | 1.0.31-9.el9_8.1 | [ALSA-2026:19610](https://patchblox.com/security/data/fix/linux/alsa-2026-19610.md) | May 20, 2026 |
| Linux | libsndfile-devel ol 10 | 0:1.2.2-6.el10_2.1 | [ELSA-2026-19560](https://patchblox.com/security/data/fix/linux/elsa-2026-19560.md) | Jul 16, 2026 |
| Linux | libsndfile-devel ol 8 | 0:1.0.28-17.el8_10 | [ELSA-2026-19559](https://patchblox.com/security/data/fix/linux/elsa-2026-19559.md) | May 21, 2026 |
| Linux | libsndfile-devel ol 9 | 0:1.0.31-9.el9_8.1 | [ELSA-2026-19610](https://patchblox.com/security/data/fix/linux/elsa-2026-19610.md) | Jun 23, 2026 |
| Linux | libsndfile-utils RHEL 8 | 0:1.0.28-17.el8_10 | [RHSA-2026:19559](https://patchblox.com/security/data/fix/linux/rhsa-2026-19559.md) | May 27, 2026 |
| Linux | libsndfile-utils RHEL 9 | 0:1.0.31-9.el9_8.1 | [RHSA-2026:19610](https://patchblox.com/security/data/fix/linux/rhsa-2026-19610.md) | May 27, 2026 |
| Linux | libsndfile-utils almalinux 10 | 1.2.2-6.el10_2.1 | [ALSA-2026:19560](https://patchblox.com/security/data/fix/linux/alsa-2026-19560.md) | May 20, 2026 |
| Linux | libsndfile-utils almalinux 8 | 1.0.28-17.el8_10 | [ALSA-2026:19559](https://patchblox.com/security/data/fix/linux/alsa-2026-19559.md) | May 20, 2026 |
| Linux | libsndfile-utils almalinux 9 | 1.0.31-9.el9_8.1 | [ALSA-2026:19610](https://patchblox.com/security/data/fix/linux/alsa-2026-19610.md) | May 20, 2026 |
| Linux | libsndfile-utils ol 10 | 0:1.2.2-6.el10_2.1 | [ELSA-2026-19560](https://patchblox.com/security/data/fix/linux/elsa-2026-19560.md) | Jul 16, 2026 |
| Linux | libsndfile-utils ol 8 | 0:1.0.28-17.el8_10 | [ELSA-2026-19559](https://patchblox.com/security/data/fix/linux/elsa-2026-19559.md) | May 21, 2026 |
| Linux | libsndfile-utils ol 9 | 0:1.0.31-9.el9_8.1 | [ELSA-2026-19610](https://patchblox.com/security/data/fix/linux/elsa-2026-19610.md) | Jun 23, 2026 |

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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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