#VU85013 Buffer overflow in espeak-ng - CVE-2023-49990

Vulnerability identifier: #VU85013

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-49990

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
espeak-ng
Other software / Other software solutions

Vendor: espeak-ng

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error within the SetUpPhonemeTable() function at synthdata.c. A remote attacker can trick the victim to pass a specially crafted file to the application and perform a denial of service (DoS) attack.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

espeak-ng: 1.46.06 - 1.51.1

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External links
https://github.com/espeak-ng/espeak-ng/issues/1824

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.