Vulnerability in Netty

CVE-2026-73508

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.ha…

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

  • Netty — versions < 4.1.136.Final, >= 4.2.0.Final, < 4.2.16.Final

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-73508?
CVE-2026-73508 is a medium-severity vulnerability in Netty, classified under Missing Release of Resource after Effective Lifetime. CVSS score: 5.3/10. Published 2026-08-13.
How severe is CVE-2026-73508?
Medium severity. CVSS v3 base score is 5.3 out of 10.