Maven/io.netty:netty-handler-ssl-ocsp CVE-2026-56821: high 7.4, EPSS 0.22%
Netty: Out-of-date OCSP Responses Accepted by OcspServerCertificateValidator
Action: Upgrade io.netty:netty-handler-ssl-ocsp to 4.1.136.Final (4.1.x) or 4.2.16.Final (4.2.x) or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 4.2.0.Final | 4.2.16.Final | - |
| 0 | 4.1.136.Final | - |
Fixed versions
| 4.2.16.Final | 4.1.136.Final |
Sources
- osv: GHSA-g7hg-vrcf-mvmr
- https://github.com/netty/netty/security/advisories/GHSA-g7hg-vrcf-mvmr
- https://github.com/netty/netty
- https://github.com/netty/netty/releases/tag/netty-4.1.136.Final
- https://github.com/netty/netty/releases/tag/netty-4.2.16.Final
CVE-2026-56821 · published · modified · JSON