CVE-2026-33845

Published Apr 30, 2026

Last updated 5 days ago

Overview

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.
Source
secalert@redhat.com
NVD status
Analyzed
Products
gnutls, openshift_container_platform, enterprise_linux

Risk scores

CVSS 3.1

Type
Primary
Base score
9.1
Impact score
5.2
Exploitability score
3.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Severity
CRITICAL

Weaknesses

secalert@redhat.com
CWE-191

Social media

Hype score
Not currently trending

Configurations