CVE-2021-20231
Critical
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.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Gnutls
PublishedMar 12, 2021
First seenMar 12, 2021
Weakness typeCWE-416Use after free
How to fix
Update
- gnu gnutls3.7.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| gnu gnutls | 3.6.3 ≤ v < 3.7.1 | 3.7.1 |
| redhat enterprise_linux | 8.0 | — |
| fedoraproject fedora | 34 | — |
| netapp active_iq_unified_manager | No range specified | — |
| netapp e-series_performance_analyzer | No range specified | — |
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