CVE Watch18 sept 2026

CVE-2026-42579

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 en

CVSS

7.5

Alto

EPSS

1.0%

p63

KEV

—

Exploit Today

0-100

Publicado: 13 may 2026 · Última mod.: 18 sept 2026 · CWE-20 · CWE-400 · CWE-626

EPSS · 30d

0.8%EPSS · 30 días1.0%

2026-10-012026-10-29

Descripción técnica

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 hostnames can exploit the encoder. This vulnerability is fixed in 4.2.13.Final and 4.1.133.Final.

Referencias oficiales

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