CVE-2026-1584
7.5
HIGH
CVSS 3.1
EPSS 0.11%
Description
A flaw was found in gnutls. A remote, unauthenticated attacker can exploit this vulnerability by sending a specially crafted ClientHello message with an invalid Pre-Shared Key (PSK) binder value during the TLS handshake. This can lead to a NULL pointer dereference, causing the server to crash and resulting in a remote Denial of Service (DoS) condition.
How to fix CVE-2026-1584
To remediate CVE-2026-1584, upgrade the affected package to a fixed version below.
- —upgrade to 3.8.12-r0 or later
- —upgrade to 3.8.12-1 or later
Is CVE-2026-1584 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 3.8.12-r0
- from 0, < 3.8.12-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |