CVE-2026-1584

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.

CVSS Vector

References

• https://access.redhat.com/security/cve/CVE-2026-1584
• https://bugzilla.redhat.com/show_bug.cgi?id=2435258