CWE
787
Advisory Published
Updated

CVE-2023-49991

First published: Tue Dec 12 2023(Updated: )

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

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Espeak-ng Espeak-ng=1.52-dev
ubuntu/espeak-ng<1.49.2+dfsg-1ubuntu0.1~
1.49.2+dfsg-1ubuntu0.1~
ubuntu/espeak-ng<1.50+dfsg-6ubuntu0.1
1.50+dfsg-6ubuntu0.1
ubuntu/espeak-ng<1.50+dfsg-10ubuntu0.1
1.50+dfsg-10ubuntu0.1
ubuntu/espeak-ng<1.51+dfsg-11ubuntu0.1
1.51+dfsg-11ubuntu0.1
ubuntu/espeak-ng<1.51+dfsg-12
1.51+dfsg-12
debian/espeak-ng<=1.50+dfsg-7+deb11u1
1.51+dfsg-10+deb12u1
1.51+dfsg-12

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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2023-49991?

    CVE-2023-49991 is classified as a moderate severity vulnerability due to the stack buffer underflow it introduces.

  • How do I fix CVE-2023-49991?

    To fix CVE-2023-49991, you should upgrade to the patched versions of espeak-ng which are 1.49.2+dfsg-1ubuntu0.1~ or higher for Ubuntu or 1.51+dfsg-12 for Debian.

  • What is affected by CVE-2023-49991?

    CVE-2023-49991 affects espeak-ng version 1.52-dev specifically.

  • Can CVE-2023-49991 lead to code execution?

    While CVE-2023-49991 is a buffer underflow issue, it typically does not directly lead to arbitrary code execution but could potentially be exploited in a controlled environment.

  • Where can I find more information about CVE-2023-49991?

    For more information on CVE-2023-49991, you can refer to the relevant package release notes or advisories from your Linux distribution.

Contact

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