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Vulnerabilities CVE-2026-33845

CVE-2026-33845

High
Open
TLP:CLEAR

Gnutls: gnutls: denial of service via dtls zero-length fragment

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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.

Details

CVSS Score
7.5
EPSS Score
0.80%

53.4th percentile

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Confidence
90%
Published
Apr 30, 2026
Last Modified
Jul 15, 2026
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