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io.netty:netty-codec-dns

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

Latest release
4.2.20.Final (Nov 2, 2026): no advisory affects it
Newest unaffected release
4.2.20.Final (Nov 2, 2026), the latest release
Advisories
2 · 1 high, 1 medium
Dependents
1
Releases
188 since 4.1.0.Final (May 25, 2016)
Registry
Maven Central
Releases read
Nov 8, 2026

Version timeline

  • CVE-2026-73508
    Affects 4.1.0.Beta1 to 4.1.135.Final (4.1.136.Final is outside it); 4.2.0.Final to 4.2.15.Final (4.2.16.Final is outside it)
  • CVE-2026-42579
    Affects 4.1.0.Beta1 to 4.1.132.Final (4.1.133.Final is outside it); 4.2.0.Alpha1 to 4.2.12.Final (4.2.13.Final is outside it)
Every release cve.now has on record, lowest version on the left; each bar is a run of versions an advisory affects.

Advisories 2

  • CVE-2026-73508Medium 5.3

    Netty: Memory Leak in DNS Record Decoder via Malformed Domain Names

    Affected: from 4.2.0.Final, fixed in 4.2.16.Final; fixed in 4.1.136.Final.

    Fixed in 4.1.136.Final (released Jul 8, 2026, 36 days before disclosure) and 4.2.16.Final (released Jul 7, 2026, 37 days before disclosure).

    The latest release, 4.2.20.Final, is not affected.

  • Netty: DNS Codec Input Validation Bypass in Netty (Encoder + Decoder)

    Affected: from 4.2.0.Alpha1, fixed in 4.2.13.Final; fixed in 4.1.133.Final.

    Fixed in 4.1.133.Final (released May 5, 2026, 8 days before disclosure) and 4.2.13.Final (released May 4, 2026, 9 days before disclosure).

    The latest release, 4.2.20.Final, is not affected.