CVE-2026-33845 | THREATINT

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.

PUBLISHED Reserved 2026-03-24 | Published 2026-04-30 | Updated 2026-04-30 | Assigner redhat

HIGH: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem types

Integer Underflow (Wrap or Wraparound)

Product status

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Timeline

References

access.redhat.com/security/cve/CVE-2026-33845 vdb-entry

bugzilla.redhat.com/show_bug.cgi?id=2450624 (RHBZ#2450624) issue-tracking

cve.org (CVE-2026-33845)

nvd.nist.gov (CVE-2026-33845)

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