CVE-2023-49993

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2023-49993
Espeak-ng 1.52-dev was discovered to contain a Buffer Overflow via the function ReadClause at readclause.c.

5.3 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.4

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

References
Link Resource
https://github.com/espeak-ng/espeak-ng/issues/1826 Exploit Issue Tracking Vendor Advisory
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://github.com/espeak-ng/espeak-ng/issues/1826 Exploit Issue Tracking Vendor Advisory
https://lists.debian.org/debian-lts-announce/2025/05/msg00050.html
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.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2PZEBWPNKPAYJMIM3AS2RP3FL6FX3HS4/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Z5WW6RKHRWLEMCKCQ6UZCXWC5J7UWMUQ/
Configurations

Configuration 1 (hide)

cpe:2.3:a:espeak-ng:espeak-ng:1.52:dev:*:*:*:*:*:*
History

04 Nov 2025, 19:16

Type Values Removed Values Added
References
  • () 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/ -

03 Nov 2025, 20:16

Type Values Removed Values Added
References
  • () https://lists.debian.org/debian-lts-announce/2025/05/msg00050.html -

21 Nov 2024, 08:34

Type Values Removed Values Added
References () https://github.com/espeak-ng/espeak-ng/issues/1826 - Exploit, Issue Tracking, Vendor Advisory () https://github.com/espeak-ng/espeak-ng/issues/1826 - Exploit, Issue Tracking, Vendor Advisory
References () 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/2PZEBWPNKPAYJMIM3AS2RP3FL6FX3HS4/ -
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z5WW6RKHRWLEMCKCQ6UZCXWC5J7UWMUQ/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z5WW6RKHRWLEMCKCQ6UZCXWC5J7UWMUQ/ -

19 Jan 2024, 04:15

Type Values Removed Values Added
References
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z5WW6RKHRWLEMCKCQ6UZCXWC5J7UWMUQ/ -
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2PZEBWPNKPAYJMIM3AS2RP3FL6FX3HS4/ -

18 Dec 2023, 18:29

Type Values Removed Values Added
CVSS v2 : unknown
v3 : 7.8 		v2 : unknown
v3 : 5.3

14 Dec 2023, 19:18

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.8
References () https://github.com/espeak-ng/espeak-ng/issues/1826 - () https://github.com/espeak-ng/espeak-ng/issues/1826 - Exploit, Issue Tracking, Vendor Advisory
CPE cpe:2.3:a:espeak-ng:espeak-ng:1.52:dev:*:*:*:*:*:*
CWE CWE-120

12 Dec 2023, 14:15

Type Values Removed Values Added
New CVE
Information

Published : 2023-12-12 14:15

Updated : 2025-11-04 19:16

NVD link : CVE-2023-49993

Mitre link : CVE-2023-49993

CVE.ORG link : CVE-2023-49993

JSON object : View

Products Affected

espeak-ng

  • espeak-ng
CWE
CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')