There is a vulnerability in the fizz library prior to v2023.01.30.00 where a CHECK failure can be triggered remotely. This behavior requires the client supported cipher advertisement changing between the original ClientHello and the second ClientHello, crashing the process (impact is limited to denial of service).

Related CVEs

CVE-2023-23759

Key Information

GHSA ID

GHSA-2x3r-3grm-f4ww

Published

May 19, 2023 12:30 AM

Last Modified

April 4, 2024 4:14 AM

CVSS Score

7.5 /10

Primary Ecosystem

Unknown

Primary Package

Unknown

GitHub Reviewed

✗ No

Dataset

Last updated: July 3, 2025 6:26 AM

Data from GitHub Advisory Database. This information is provided for research and educational purposes.