CVE catalog
CVE-2026-42254
DEBIAN-CVE-2026-42254
- Severity
- Unknown · CVSS 4
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 0.16% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | rust-hickory-recursor | 13 | 0.24.1-1 | vulnerable |
| Debian | rust-hickory-recursor | 13 | 0.25.2-1 | vulnerable |
| Debian | rust-hickory-recursor | 13 | 0.25.2-2 | vulnerable |
| Debian | rust-hickory-recursor | 13 | 0.25.2-3 | vulnerable |
| Debian | rust-hickory-recursor | 13 | 0.25.2-4 | vulnerable |
| Debian | rust-hickory-recursor | 13 | 0.25.2-5 | vulnerable |
| Debian | rust-hickory-recursor | 13 | 0.25.2-6 | vulnerable |
| Debian | rust-hickory-recursor | 14 | 0.24.1-1 | vulnerable |
| Debian | rust-hickory-recursor | 14 | 0.25.2-1 | vulnerable |
| Debian | rust-hickory-recursor | 14 | 0.25.2-2 | vulnerable |
| Debian | rust-hickory-recursor | 14 | 0.25.2-3 | vulnerable |
| Debian | rust-hickory-recursor | 14 | 0.25.2-4 | vulnerable |
| Debian | rust-hickory-recursor | 14 | 0.25.2-5 | vulnerable |
| Debian | rust-hickory-recursor | 14 | 0.25.2-6 | vulnerable |
Fixed-version evidence
OpenFactory catalog packages
[Debian 13 (Trixie)]
- [librust-hickory-recursor-dev]Affected
Source package: [rust-hickory-recursor]
Details (2)
0.24.1-1+b2· amd64 · trixieAffected
pypi · rust-hickory-recursor · debian · 13
0.24.1-1+b2· arm64 · trixieAffected
pypi · rust-hickory-recursor · debian · 13
Observed: