# CVE-2020-23903: speex: Speex is a patent-free compression format designed especially for speech

CVE-2020-23903 is fixed in 4 products on 1 platform, first by libspeex1 1.2~rc1.2-1ubuntu2.1, released November 10, 2021. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2020-23903
- Priority: Routine
- CVSS: 5.5 (Low)
- EPSS: 0.0101
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Nov 10, 2021

## Description

Speex is a patent-free compression format designed especially for speech. It is specialized for voice communications at low bit-rates.  Security Fix(es):  * speex: divide by zero in read_samples() via crafted WAV file (CVE-2020-23903)  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 9.1 Release Notes linked from the References section.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libspeex1 Ubuntu 18.04.6 LTS (bionic) | 1.2~rc1.2-1ubuntu2.1 | [libspeex1 1.2~rc1.2-1ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libspeex1-1.2-rc1.2-1ubuntu2.1.md) | Nov 10, 2021 |
| Linux | libspeex1 Ubuntu 20.04 LTS (focal) | 1.2~rc1.2-1.1ubuntu1.20.04.1 | [libspeex1 1.2~rc1.2-1.1ubuntu1.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libspeex1-1.2-rc1.2-1.1ubuntu1.20.04.1.md) | Nov 10, 2021 |
| Linux | libspeex1 Ubuntu 22.04.1 LTS (jammy) | 1.2~rc1.2-1.1ubuntu3 | [libspeex1 1.2~rc1.2-1.1ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libspeex1-1.2-rc1.2-1.1ubuntu3.md) | Nov 10, 2021 |
| Linux | libspeexdsp1 Ubuntu 18.04.6 LTS (bionic) | 1.2~rc1.2-1ubuntu2.1 | [libspeexdsp1 1.2~rc1.2-1ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libspeexdsp1-1.2-rc1.2-1ubuntu2.1.md) | Nov 10, 2021 |
| Linux | libspeexdsp1 Ubuntu 20.04 LTS (focal) | 1.2~rc1.2-1.1ubuntu1.20.04.1 | [libspeexdsp1 1.2~rc1.2-1.1ubuntu1.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libspeexdsp1-1.2-rc1.2-1.1ubuntu1.20.04.1.md) | Nov 10, 2021 |
| Linux | libspeexdsp1 Ubuntu 22.04.1 LTS (jammy) | 1.2~rc1.2-1.1ubuntu3 | [libspeexdsp1 1.2~rc1.2-1.1ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libspeexdsp1-1.2-rc1.2-1.1ubuntu3.md) | Nov 10, 2021 |
| Linux | speex Debian 12.15 (bookworm) | 1.2~rc1.2-2 | [DEBIAN-CVE-2020-23903](https://patchblox.com/security/data/fix/linux/debian-cve-2020-23903.md) | Nov 10, 2021 |
| Linux | speex Debian 13.5 (trixie) | 1.2~rc1.2-2 | [DEBIAN-CVE-2020-23903](https://patchblox.com/security/data/fix/linux/debian-cve-2020-23903.md) | Nov 10, 2021 |
| Linux | speex Debian 14 | 1.2~rc1.2-2 | [DEBIAN-CVE-2020-23903](https://patchblox.com/security/data/fix/linux/debian-cve-2020-23903.md) | Nov 10, 2021 |
| Linux | speex RHEL 9 | 0:1.2.0-11.el9 | [RHSA-2022:7979](https://patchblox.com/security/data/fix/linux/rhsa-2022-7979.md) | Nov 15, 2022 |
| Linux | speex Ubuntu 18.04.6 LTS (bionic) | 1.2~rc1.2-1ubuntu2.1 | [speex 1.2~rc1.2-1ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-speex-1.2-rc1.2-1ubuntu2.1.md) | Nov 10, 2021 |
| Linux | speex Ubuntu 20.04 LTS (focal) | 1.2~rc1.2-1.1ubuntu1.20.04.1 | [speex 1.2~rc1.2-1.1ubuntu1.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-speex-1.2-rc1.2-1.1ubuntu1.20.04.1.md) | Nov 10, 2021 |
| Linux | speex Ubuntu 22.04.1 LTS (jammy) | 1.2~rc1.2-1.1ubuntu3 | [speex 1.2~rc1.2-1.1ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-speex-1.2-rc1.2-1.1ubuntu3.md) | Nov 10, 2021 |
| Linux | speex almalinux 9 | 1.2.0-11.el9 | [ALSA-2022:7979](https://patchblox.com/security/data/fix/linux/alsa-2022-7979.md) | Nov 15, 2022 |
| Linux | speex ol 9 | 0:1.2.0-11.el9 | [ELSA-2022-7979](https://patchblox.com/security/data/fix/linux/elsa-2022-7979.md) | Nov 22, 2022 |
| Linux | speex rocky 9 | 0:1.2.0-11.el9 | [RLSA-2022:7979](https://patchblox.com/security/data/fix/linux/rlsa-2022-7979.md) | Nov 15, 2022 |
| Linux | speex-devel RHEL 9 | 0:1.2.0-11.el9 | [RHSA-2022:7979](https://patchblox.com/security/data/fix/linux/rhsa-2022-7979.md) | Nov 15, 2022 |
| Linux | speex-devel almalinux 9 | 1.2.0-11.el9 | [ALSA-2022:7979](https://patchblox.com/security/data/fix/linux/alsa-2022-7979.md) | Nov 15, 2022 |
| Linux | speex-devel ol 9 | 0:1.2.0-11.el9 | [ELSA-2022-7979](https://patchblox.com/security/data/fix/linux/elsa-2022-7979.md) | Nov 22, 2022 |

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