CVE-2026-33845

CriticalCVSS 9.1/10Last modified Oct 14, 2026

Description

A flaw in GnuTLS DTLS handshake parsing allows malformed fragments with zero length and non-zero offset, leading to an integer underflow during reassembly and resulting in an out-of-bounds read. This issue is remotely exploitable and may cause information disclosure or denial of service.

Metrics

CVSS 3.1 9.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Weakness enumeration

CWE-191

Affected software

No affected versions have been published.

Timeline

Published
Apr 30, 2026
Last modified
Oct 14, 2026
NVD status
Modified

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CVE-2026-33845: Critical severity, CVSS 9.1 | Vulnix