CVEvulnerability

CVE-2026-42004

3.7 LOW Published 2026-06-25 Modified 2026-10-25 Official page ↗
Status
Deferred
Published
2026-06-25
Last modified
2026-10-25
Assigner
[email protected]
CVSS 3.1 ([email protected])
3.7 LOW — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
Weaknesses
CWE-115

Description

An attacker can send a crafted EDNS OPT record that will be ignored by DNSdist’s filtering rules, but will be rewritten as a valid OPT record when EDNS Client Subnet is inserted, causing the backend to see the EDNS option(s) that DNSdist did not filter.

Related

Weakness · CWE (1)

  • CWE-115 Misinterpretation of Input weakness

References