GHSA-mfg7-5gfp-c4w3: Netty: Memory Leak in DNS Record Decoder via Malformed Domain Names
(updated )
A memory leak can be caused in Netty’s DNS codec by sending malicious DNS packets containing invalid domain names. Because the leak occurs incrementally per packet, sustained malicious requests will cause a gradual Denial of Service.
References
- github.com/advisories/GHSA-mfg7-5gfp-c4w3
- github.com/netty/netty/commit/5b68c61f37aa4a3045cba624cbea239655c9003b
- github.com/netty/netty/commit/bb2ff68a1fb71cb4b0eb9a9e17b66c52aff680c6
- github.com/netty/netty/pull/17063
- github.com/netty/netty/pull/17065
- github.com/netty/netty/releases/tag/netty-4.1.136.Final
- github.com/netty/netty/releases/tag/netty-4.2.16.Final
- github.com/netty/netty/security/advisories/GHSA-mfg7-5gfp-c4w3
- nvd.nist.gov/vuln/detail/CVE-2026-73508
Code Behaviors & Features
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