CVE-2026-33845

Discovered by AISLEPUBLISHEDCWE-191

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.

CVSS Base Scores

CVSS v3.1(Primary)
7.5

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

Affected Products

VendorProductVersionStatus
Red HatGnuTLS0affected
Red HatGnuTLS0:3.6.16-8.el8_10.6unaffected
Red HatGnuTLS3.8.13-1.hum1

References