CVE-2026-42254

Publication date 26 April 2026

Last updated 13 May 2026


Ubuntu priority

Cvss 3 Severity Score

4.0 · Medium

Score breakdown

Description

Hickory DNS hickory-recursor 0.1 through 0.25.2 allows cross-zone poisoning because cached data is not directly associated with a query that triggered a response.

Status

Package Ubuntu Release Status
rust-hickory-recursor 26.04 LTS resolute
Needs evaluation
25.10 questing Ignored end of life, was needs-triage
24.04 LTS noble Not in release
22.04 LTS jammy Not in release

Severity score breakdown

CVSS version: CVSS v3.0

Base score 4.0 · Medium

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


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