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CVE-2026-1584 PUBLISHED CVSS 7.5 HIGH

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.

Risk Scores

CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products

VendorProductVersions
Red HatRed Hat Enterprise Linux 6
Red HatRed Hat OpenShift Container Platform 4
GnuTLSGnuTLS
Red HatRed Hat Hardened Images
Red HatRed Hat Enterprise Linux 7
Red HatRed Hat Enterprise Linux 10
Red HatRed Hat Enterprise Linux 9
Red HatRed Hat Enterprise Linux 8

Timeline

References

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