CVE-2026-42579
1 advisory.
Maven/io.netty:netty-codec-dns CVE-2026-42579: high 7.5
Netty has a DNS Codec Input Validation Bypass (Encoder + Decoder)
Action: Upgrade io.netty:netty-codec-dns to 4.1.133.Final (4.1.x) or 4.2.13.Final (4.2.x) or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 4.2.0.Alpha1 | 4.2.13.Final | - |
| 0 | 4.1.133.Final | - |
Fixed versions
| 4.2.13.Final | 4.1.133.Final |
Sources
- osv: GHSA-cm33-6792-r9fm
- https://github.com/netty/netty/security/advisories/GHSA-cm33-6792-r9fm
- https://nvd.nist.gov/vuln/detail/CVE-2026-42579
- https://github.com/netty/netty
- https://tools.ietf.org/html/rfc1035#section-2.3.4
- https://tools.ietf.org/html/rfc1035#section-4.1.4
CVE-2026-42579 · published · modified · JSON