CVE-2021-20231
CRITICAL9.8EPSS 1.2%Published: 3/12/2021Modified: 4/28/2026
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.
Affected packages (2)
- Alpine/gnutlsfrom 0, < 3.6.15-r1
- Debian/gnutls28from 0, < 3.7.1-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |