Improperly Implemented Security Check for Standard Affecting rust-hickory-net package, versions <0.26.3-1


Severity

Recommended
0.0
low
0
10

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Threat Intelligence

EPSS
0.22% (13th percentile)

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  • Snyk IDSNYK-DEBIAN14-RUSTHICKORYNET-22382254
  • published9 Nov 2026
  • disclosed8 Nov 2026

Introduced: 8 Nov 2026

NewCVE-2026-123579  (opens in a new tab)
CWE-358  (opens in a new tab)

How to fix?

Upgrade Debian:14 rust-hickory-net to version 0.26.3-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rust-hickory-net package and not the rust-hickory-net package as distributed by Debian. See How to fix? for Debian:14 relevant fixed versions and status.

DNSSEC validation in Hickory DNS hickory-net 0.26.0-beta.1 before 0.26.2 and hickory-proto through 0.26.0-alpha.1 does not distinguish NODATA responses from wildcard-expanded positive responses. For a query that should return NODATA in a zone with wildcard records, an attacker can combine an NSEC3 record matching the query name with a signed wildcard record into a bogus positive response that validation accepts.

CVSS Base Scores

version 3.1