CVE-2026-1584

HighCVSS 7.5/10Last modified Sep 1, 2026

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Apr 9, 2026
Last modified
Sep 1, 2026
NVD status
Modified

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CVE-2026-1584: High severity, CVSS 7.5 | Vulnix