VDB
ALPINE-CVE-2020-24659
ALPINE-CVE-2020-24659
PUBLISHED
CVSS 7.5 HIGH
An issue was discovered in GnuTLS before 3.6.15. A server can trigger a NULL pointer dereference in a TLS 1.3 client if a no_renegotiation alert is sent with unexpected timing, and then an invalid second handshake occurs. The crash happens in the application's error handling path, where the gnutls_deinit function is called after detecting a handshake failure.
Risk Scores
CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.11 | gnutls | 2.10.4-r0, 2.10.5-r0, 2.10.5-r2 |
| Alpine:v3.14 | gnutls | 3.4.16-r0, 3.4.15-r0, 3.4.13-r0 |
| Alpine:v3.18 | gnutls | 0, 2.10.5-r0, 2.10.5-r1 |
| Alpine:v3.16 | gnutls | 3.1.1-r0, 3.6.9-r0, 3.6.8-r1 |
| Alpine:v3.15 | gnutls | 2.10.4-r0, 3.0.22-r0, 3.0.17-r0 |
| Alpine:v3.21 | gnutls | 3.6.4-r0, 3.6.9-r0, 3.6.8-r1 |
| Alpine:v3.13 | gnutls | 2.8.5-r1, 3.6.9-r0, 3.6.8-r1 |
| Alpine:v3.9 | gnutls | 3.6.7-r1, 0, 2.10.4-r0 |
| Alpine:v3.23 | gnutls | 2.10.4-r0, 2.10.5-r0, 2.10.5-r1 |
| Alpine:v3.10 | gnutls | 3.4.6-r0, 0, 2.10.4-r0 |
| Alpine:v3.17 | gnutls | 3.6.13-r2, 3.6.14-r0, 3.6.2-r0 |
| Alpine:v3.22 | gnutls | 3.0.19-r0, 3.0.18-r0, 3.0.17-r0 |
| Alpine:v3.20 | gnutls | 3.3.4-r0, 3.6.14-r0, 3.4.14-r0 |
| Alpine:v3.12 | gnutls | 3.2.7-r0, 3.6.9-r0, 3.6.8-r1 |
| Alpine:v3.19 | gnutls | 0, 2.10.5-r1, 2.10.4-r0 |
Timeline
- Sep 4, 2020 CVE Published
- Dec 3, 2025 CVE Updated
- Apr 30, 2026 Distribution Patch