high7.5
CVE-2026-1584
A flaw was found in gnutls.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Gnu | Gnutls | All versions |
| Redhat | Hardened Images | All versions |