# CVE-2023-49992: espeak-ng: This update for espeak-ng fixes the following issues:  - CVE-2023-49990: Fixed buffer overflow in SetUpPhonemeTable f...

CVE-2023-49992 is fixed in 5 products on 1 platform, first by espeak-ng 1.49.2+dfsg-1ubuntu0.1~esm1, released December 12, 2023. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2023-49992
- Priority: Routine
- CVSS: 5.3 (medium)
- EPSS: 0.0041
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Dec 12, 2023

## Description

This update for espeak-ng fixes the following issues:  - CVE-2023-49990: Fixed buffer overflow in SetUpPhonemeTable function at synthdata.c (bsc#1218010) - CVE-2023-49991: Fixed stack-buffer-underflow exists in the function CountVowelPosition in synthdata.c (bsc#1218006) - CVE-2023-49992: Fixed stack-buffer-overflow exists in the function RemoveEnding in dictionary.c (bsc#1218007) - CVE-2023-49993: Fixed buffer overflow in ReadClause function at readclause.c (bsc#1218008) - CVE-2023-49994: Fixed floating point exception in PeaksToHarmspect at wavegen.c (bsc#1218009)

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | espeak-ng Debian 12.15 (bookworm) | 1.51+dfsg-10+deb12u1 | [DEBIAN-CVE-2023-49992](https://patchblox.com/security/data/fix/linux/debian-cve-2023-49992.md) | Dec 12, 2023 |
| Linux | espeak-ng Debian 13.5 (trixie) | 1.51+dfsg-12 | [DEBIAN-CVE-2023-49992](https://patchblox.com/security/data/fix/linux/debian-cve-2023-49992.md) | Dec 12, 2023 |
| Linux | espeak-ng Debian 14 | 1.51+dfsg-12 | [DEBIAN-CVE-2023-49992](https://patchblox.com/security/data/fix/linux/debian-cve-2023-49992.md) | Dec 12, 2023 |
| Linux | espeak-ng Ubuntu 18.04.6 LTS (bionic) | 1.49.2+dfsg-1ubuntu0.1~esm1 | [espeak-ng 1.49.2+dfsg-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-espeak-ng-1.49.2-dfsg-1ubuntu0.1-esm1.md) | Dec 12, 2023 |
| Linux | espeak-ng Ubuntu 20.04 LTS (focal) | 1.50+dfsg-6ubuntu0.1 | [espeak-ng 1.50+dfsg-6ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-espeak-ng-1.50-dfsg-6ubuntu0.1.md) | Dec 12, 2023 |
| Linux | espeak-ng Ubuntu 22.04.1 LTS (jammy) | 1.50+dfsg-10ubuntu0.1 | [espeak-ng 1.50+dfsg-10ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-espeak-ng-1.50-dfsg-10ubuntu0.1.md) | Dec 12, 2023 |
| Linux | espeak-ng opensuse-leap 15.6 | 1.50-150300.3.3.1 | [SUSE-SU-2024:2632-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2632-1.md) | Jul 30, 2024 |
| Linux | espeak-ng sles 15.6 | 1.50-150300.3.3.1 | [SUSE-SU-2024:2632-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2632-1.md) | Jul 30, 2024 |
| Linux | espeak-ng-data Ubuntu 18.04.6 LTS (bionic) | 1.49.2+dfsg-1ubuntu0.1~esm1 | [espeak-ng-data 1.49.2+dfsg-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-espeak-ng-data-1.49.2-dfsg-1ubuntu0.1-esm1.md) | Dec 12, 2023 |
| Linux | espeak-ng-data Ubuntu 20.04 LTS (focal) | 1.50+dfsg-6ubuntu0.1 | [espeak-ng-data 1.50+dfsg-6ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-espeak-ng-data-1.50-dfsg-6ubuntu0.1.md) | Dec 12, 2023 |
| Linux | espeak-ng-data Ubuntu 22.04.1 LTS (jammy) | 1.50+dfsg-10ubuntu0.1 | [espeak-ng-data 1.50+dfsg-10ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-espeak-ng-data-1.50-dfsg-10ubuntu0.1.md) | Dec 12, 2023 |
| Linux | espeak-ng-espeak Ubuntu 18.04.6 LTS (bionic) | 1.49.2+dfsg-1ubuntu0.1~esm1 | [espeak-ng-espeak 1.49.2+dfsg-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-espeak-ng-espeak-1.49.2-dfsg-1ubuntu0.1-esm1.md) | Dec 12, 2023 |
| Linux | espeak-ng-espeak Ubuntu 20.04 LTS (focal) | 1.50+dfsg-6ubuntu0.1 | [espeak-ng-espeak 1.50+dfsg-6ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-espeak-ng-espeak-1.50-dfsg-6ubuntu0.1.md) | Dec 12, 2023 |
| Linux | espeak-ng-espeak Ubuntu 22.04.1 LTS (jammy) | 1.50+dfsg-10ubuntu0.1 | [espeak-ng-espeak 1.50+dfsg-10ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-espeak-ng-espeak-1.50-dfsg-10ubuntu0.1.md) | Dec 12, 2023 |
| Linux | libespeak-ng-libespeak1 Ubuntu 18.04.6 LTS (bionic) | 1.49.2+dfsg-1ubuntu0.1~esm1 | [libespeak-ng-libespeak1 1.49.2+dfsg-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libespeak-ng-libespeak1-1.49.2-dfsg-1ubuntu0.1-esm1.md) | Dec 12, 2023 |
| Linux | libespeak-ng-libespeak1 Ubuntu 20.04 LTS (focal) | 1.50+dfsg-6ubuntu0.1 | [libespeak-ng-libespeak1 1.50+dfsg-6ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libespeak-ng-libespeak1-1.50-dfsg-6ubuntu0.1.md) | Dec 12, 2023 |
| Linux | libespeak-ng-libespeak1 Ubuntu 22.04.1 LTS (jammy) | 1.50+dfsg-10ubuntu0.1 | [libespeak-ng-libespeak1 1.50+dfsg-10ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libespeak-ng-libespeak1-1.50-dfsg-10ubuntu0.1.md) | Dec 12, 2023 |
| Linux | libespeak-ng1 Ubuntu 18.04.6 LTS (bionic) | 1.49.2+dfsg-1ubuntu0.1~esm1 | [libespeak-ng1 1.49.2+dfsg-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libespeak-ng1-1.49.2-dfsg-1ubuntu0.1-esm1.md) | Dec 12, 2023 |
| Linux | libespeak-ng1 Ubuntu 20.04 LTS (focal) | 1.50+dfsg-6ubuntu0.1 | [libespeak-ng1 1.50+dfsg-6ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libespeak-ng1-1.50-dfsg-6ubuntu0.1.md) | Dec 12, 2023 |
| Linux | libespeak-ng1 Ubuntu 22.04.1 LTS (jammy) | 1.50+dfsg-10ubuntu0.1 | [libespeak-ng1 1.50+dfsg-10ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libespeak-ng1-1.50-dfsg-10ubuntu0.1.md) | Dec 12, 2023 |

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Data as of 2026-11-08T13:06:02Z 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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