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cve.nowby Sazabi
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hickory-resolver

3 known vulnerabilities (2 high, 1 medium), with the versions each affects and the releases that fix them.

Latest release
0.26.3 (Sep 10, 2026): no advisory affects it
Newest unaffected release
0.26.3 (Sep 10, 2026), the latest release
Advisories
3 · 2 high, 1 medium
Weekly downloads
2.4M
Dependents
0
Releases
23 since 0.1.0 (Sep 26, 2023)
Registry
crates.io
Releases read
Nov 8, 2026

Version timeline

Every release cve.now has on record, lowest version on the left; each bar is a run of versions an advisory affects.

Advisories 3

  • hickory-resolver follows irrelevant CNAME records

    Affected: from 0.25.0, fixed in 0.26.2.

    Fixed in 0.26.2 (released Sep 3, 2026, 32 days before disclosure).

    The latest release, 0.26.3, is not affected.

  • hickory-resolver: Unbounded TC-retry loop in `NameServerPool::try_send` (resource-exhaustion DoS)

    Affected: from 0.26.0-beta.1, fixed in 0.26.2.

    Fixed in 0.26.2 (released Sep 3, 2026, 32 days before disclosure).

    The latest release, 0.26.3, is not affected.

  • hickory-resolver before 0.26.2 DNSSEC Validation Bypass

    Affected: fixed in 0.26.2; fixed in 0.26.2.

    Fixed in 0.26.2 (released Sep 3, 2026, 15 days before disclosure).

    The latest release, 0.26.3, is not affected.

    81% of hickory-resolver downloads in the last 90 days were affected versions (25.8M).