CVE-2023-49991

PoC —

CVSS 3.1

5.3 medium

EPSS

<1%p31

Published

Dec 12, 2023 (Dec 12, 2023)

Modified

Jun 17, 2026

Description

Espeak-ng 1.52-dev was discovered to contain a Stack Buffer Underflow via the function CountVowelPosition at synthdata.c.

Vendors: espeak-ng
Products: espeak-ng
Weakness: CWE-787
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

NVD CVE.org GitHub PoCs EPSS (0.4%)

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