Base Score

MEDIUM5.3

CVE-2023-49991

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

VectorLOCAL

Published Bycve@mitre.org

Published DateDec 12, 2023, 14:15

Weakness Type (CWE):CWE-787

CVSS Metrics

Base Score

5.3

Vector String

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

Base Severity

MEDIUM

Version

3.1

Attack Vector (AV)

LOCAL

Attack Complexity (AC)

LOW

Privileges Required (PR)

NONE

User Interaction (UI)

REQUIRED

Scope (S)

UNCHANGED

Confidentiality (C)

LOW

Integrity (I)

LOW

Availability (A)

LOW

References

https://github.com/espeak-ng/espeak-ng/issues/1825
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2PZEBWPNKPAYJMIM3AS2RP3FL6FX3HS4/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z5WW6RKHRWLEMCKCQ6UZCXWC5J7UWMUQ/
https://lists.debian.org/debian-lts-announce/2025/05/msg00050.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2PZEBWPNKPAYJMIM3AS2RP3FL6FX3HS4/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Z5WW6RKHRWLEMCKCQ6UZCXWC5J7UWMUQ/

Base Score

MEDIUM5.3

Weakness Type (CWE):CWE-787

CVSS Metrics

Base Score

5.3

Vector String

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

Base Severity

MEDIUM

Version

3.1

Attack Vector (AV)

LOCAL

Attack Complexity (AC)

LOW

Privileges Required (PR)

NONE

User Interaction (UI)

REQUIRED

Scope (S)

UNCHANGED

Confidentiality (C)

LOW

Integrity (I)

LOW

Availability (A)

LOW