{"apiVersion":"1.0","identifier":"CVE-2026-73508","description":"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.","publishedAt":"2026-08-13T15:20:17","lastModifiedAt":"2026-08-13T18:18:17","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-73508","cvssScore":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","epssProbability":0.00333,"riskScore":0.55,"affectedProduct":"Netty","affectedVersions":"cannotmatch","vulnerabilityType":"Library","operatingSystems":[],"links":{"self":"https://www.redsauce.net/api/cves/CVE-2026-73508","webPages":{"es":"https://www.redsauce.net/es/cves/CVE-2026-73508","en":"https://www.redsauce.net/en/cves/CVE-2026-73508","fr":"https://www.redsauce.net/fr/cves/CVE-2026-73508","pt":"https://www.redsauce.net/pt/cves/CVE-2026-73508","de":"https://www.redsauce.net/de/cves/CVE-2026-73508","sk":"https://www.redsauce.net/sk/cves/CVE-2026-73508","el":"https://www.redsauce.net/el/cves/CVE-2026-73508"},"source":"https://nvd.nist.gov/vuln/detail/CVE-2026-73508"}}