VDB
ALPINE-CVE-2021-20231
ALPINE-CVE-2021-20231
PUBLISHED
CVSS 9.800000190734863 CRITICAL
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.
Risk Scores
CVSS v3.1
9.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.23 | gnutls | 2.10.4-r0, 3.7.0-r0, 3.6.9-r0 |
| Alpine:v3.13 | gnutls | 3.6.13-r1, 3.7.0-r0, 3.6.9-r0 |
| Alpine:v3.10 | gnutls | 0, 3.6.8-r1, 3.6.8-r0 |
| Alpine:v3.15 | gnutls | 2.10.5-r0, 2.8.5-r0, 0 |
| Alpine:v3.17 | gnutls | 2.8.6-r2, 2.8.6-r1, 2.8.6-r0 |
| Alpine:v3.18 | gnutls | 2.8.1-r0, 2.10.4-r0, 2.10.5-r1 |
| Alpine:v3.11 | gnutls | 3.4.1-r1, 3.4.1-r0, 3.4.0-r0 |
| Alpine:v3.19 | gnutls | 3.6.12-r0, 3.6.9-r0, 3.6.8-r1 |
| Alpine:v3.16 | gnutls | 3.4.13-r0, 3.4.11-r0, 3.4.10-r0 |
| Alpine:v3.12 | gnutls | 3.2.4-r1, 3.6.9-r0, 3.6.8-r1 |
| Alpine:v3.21 | gnutls | 3.4.15-r0, 0, 2.10.5-r0 |
| Alpine:v3.14 | gnutls | 0, 2.10.4-r0, 2.10.5-r1 |
| Alpine:v3.20 | gnutls | 3.4.7-r0, 3.6.9-r0, 3.6.8-r1 |
| Alpine:v3.22 | gnutls | 0, 2.10.4-r0, 2.10.5-r0 |
Timeline
- Mar 12, 2021 CVE Published
- Dec 3, 2025 CVE Updated
- Apr 30, 2026 Distribution Patch