CVE-2023-49991

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

CVSS v3.1

5.3 MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

EPSS

0.37% chance of exploitation in the next 30 days, 30th percentile

Published

2023-12-12

Updated

2025-11-04

Proof-of-concept exploits (1)

• espeak-ng/espeak-ng/issues/1825

References

• CVE Record
• NVD entry

Related

• CVE-2023-49990
• CVE-2023-49992
• CVE-2023-49993
• CVE-2023-49994
• CVE-2023-49989
• CVE-2023-49988