CVE-2023-49991 | espeak-ng 1.52-dev synthdata.c CountVowelPosition stack-based overflow

A vulnerability has been found in espeak-ng 1.52-dev and classified as critical. This vulnerability affects the function CountVowelPosition of the file synthdata.c. The manipulation leads to stack-based buffer overflow.

This vulnerability was named CVE-2023-49991. The attack needs to be done within the local network. There is no exploit available.