CVE-2023-49990 : What You Need to Know

Espeak-ng 1.52-dev was discovered to contain a buffer-overflow vulnerability via the function SetUpPhonemeTable at synthdata.c.

Understanding CVE-2023-49990

This CVE pertains to a buffer-overflow vulnerability discovered in Espeak-ng 1.52-dev through the function SetUpPhonemeTable at synthdata.c.

What is CVE-2023-49990?

CVE-2023-49990 is a published CVE related to a buffer-overflow vulnerability identified in Espeak-ng 1.52-dev.

The Impact of CVE-2023-49990

The buffer-overflow vulnerability in Espeak-ng 1.52-dev could potentially allow attackers to execute arbitrary code, leading to a variety of security risks.

Technical Details of CVE-2023-49990

The technical details of CVE-2023-49990 include:

Vulnerability Description

The vulnerability exists in the function SetUpPhonemeTable at synthdata.c in Espeak-ng 1.52-dev, allowing an attacker to trigger a buffer overflow.

Affected Systems and Versions

All versions of Espeak-ng 1.52-dev are affected by this vulnerability.

Exploitation Mechanism

Exploiting this vulnerability requires an attacker to craft a specific input that triggers the buffer overflow in the SetUpPhonemeTable function.

Mitigation and Prevention

To address CVE-2023-49990, consider the following mitigation strategies:

Immediate Steps to Take

Update Espeak-ng to a non-vulnerable version if available.
Implement proper input validation to prevent buffer overflows.

Long-Term Security Practices

Regularly update software to patched versions to avoid known vulnerabilities.
Conduct security audits and code reviews to identify and address potential vulnerabilities.

Patching and Updates

Stay informed about security advisories and apply patches promptly to ensure the security of systems.