CVE-2026-73508

Publié : 13 août 2026

Modifié : 13 août 2026

Score CVSS

5.3

MEDIUM

Description détaillée

Netty is an asynchronous, event-driven network application framework. Prior to 4.1.136.Final and 4.2.16.Final, io.netty.handler.codec.dns.AbstractDnsRecord, io.netty.handler.codec.dns.DefaultDnsRecordDecoder.decodeRecord(), and io.netty.handler.codec.dns.DnsCodecUtil.decompressDomainName() failed to release retained or newly allocated ByteBuf objects when IDN.toASCII() or encodeDomainName() rejected a malformed domain name, allowing unauthenticated remote DNS packets to leak direct memory incrementally until denial of service. This issue is fixed in versions 4.1.136.Final and 4.2.16.Final.

Vecteur d'attaque (CVSS)

Vecteur brut :CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Références et Patchs

https://github.com/netty/netty/commit/5b68c61f37aa4a3045cba624cbea239655c9003b https://github.com/netty/netty/commit/bb2ff68a1fb71cb4b0eb9a9e17b66c52aff680c6 https://github.com/netty/netty/releases/tag/netty-4.1.136.Final https://github.com/netty/netty/releases/tag/netty-4.2.16.Final https://github.com/netty/netty/security/advisories/GHSA-mfg7-5gfp-c4w3

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