CVE-2021-20231

Updated: 2025-08-20 02:34:41.193568

Description:

A flaw was found in gnutls. A use after free issue in client sending key_share extension may lead to memory corruption and other consequences.


Links NIST CIRCL RHEL Ubuntu

Severity

Severity Score
CVSS Version 2.x HIGH 7.5
CVSS Version 3.x CRITICAL 9.8

Status

OS name Project name Version Score Severity Status Errata Last updated

Statement

CentOS 8.5 ELS gnutls 3.6.16 9.8 CRITICAL Already Fixed 2023-06-01 21:07:15
CentOS 8.4 ELS gnutls 3.6.14 9.8 CRITICAL Released CLSA-2023:1685536090 2023-05-31 08:58:46