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THREAT OPS › Threat News › [NVD] CVE-2026-42579 (HIGH 7.5) — Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, Netty's DNS codec does not enforce RFC 1035 domain name constraints during either encoding or decoding. This creates a bidirectional attack surface: malicious DNS respon

[NVD] CVE-2026-42579 (HIGH 7.5) — Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, Netty's DNS codec does not enforce RFC 1035 domain name constraints during either encoding or decoding. This creates a bidirectional attack surface: malicious DNS respon

lownvdPublished 2026-05-13

CVE-2026-42579 CVSS: 7.5 HIGH Published: 2026-05-13T19:17:23.353

Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, Netty's DNS codec does not enforce RFC 1035 domain name constraints during either encoding or decoding. This creates a bidirectional attack surface: malicious DNS responses can exploit the decoder, and user-influenced hostn

Indicators of compromise

CVE-2026-42579cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-42579