CVE-2026-33845

HIGH

7.5

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.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published4/30/2026

Last Modified4/30/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-191

References

https://access.redhat.com/security/cve/CVE-2026-33845(secalert@redhat.com)

https://bugzilla.redhat.com/show_bug.cgi?id=2450624(secalert@redhat.com)

IOC Correlations

No correlations recorded

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