{"id":"RHLW-2026-7e27d228834c9346","summary":"Lightwell Security Advisory: netty-handler-ssl-ocsp 4.1.100.Final-rhlw-00001","details":"Red Hat Lightwell has released io.netty:netty-handler-ssl-ocsp 4.1.100.Final-rhlw-00001 with backported fixes for CVE-2026-56820, CVE-2026-56821, and CVE-2026-56822.\n\nCVE-2026-56820: Netty: Missing CertificateID Validation in OCSP Response Allows Replay Attacks\n\nCVE-2026-56821: Netty: Out-of-date OCSP Responses Accepted by OcspServerCertificateValidator\n\nCVE-2026-56822: Netty: TOCTOU in OcspServerCertificateValidator\n\nThis patched artifact is a drop-in replacement for io.netty:netty-handler-ssl-ocsp 4.1.100.Final from Maven Central.","modified":"2026-10-27T04:00:09.766307059Z","published":"2026-10-12T16:58:21Z","upstream":["CVE-2026-56820","CVE-2026-56821","CVE-2026-56822","GHSA-272m-gcwp-mpwg","GHSA-g7hg-vrcf-mvmr","GHSA-wc96-39fc-566f"],"references":[{"type":"WEB","url":"https://github.com/netty/netty/releases/tag/netty-4.1.136.Final"},{"type":"WEB","url":"https://github.com/netty/netty/releases/tag/netty-4.2.16.Final"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/56xxx/CVE-2026-56820.json"},{"type":"ADVISORY","url":"https://github.com/netty/netty/security/advisories/GHSA-272m-gcwp-mpwg"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56820"},{"type":"FIX","url":"https://github.com/netty/netty/commit/5b68c61f37aa4a3045cba624cbea239655c9003b"},{"type":"FIX","url":"https://github.com/netty/netty/commit/bb2ff68a1fb71cb4b0eb9a9e17b66c52aff680c6"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-272m-gcwp-mpwg"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/56xxx/CVE-2026-56821.json"},{"type":"ADVISORY","url":"https://github.com/netty/netty/security/advisories/GHSA-g7hg-vrcf-mvmr"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56821"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-g7hg-vrcf-mvmr"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/56xxx/CVE-2026-56822.json"},{"type":"ADVISORY","url":"https://github.com/netty/netty/security/advisories/GHSA-wc96-39fc-566f"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56822"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-wc96-39fc-566f"}],"affected":[{"package":{"name":"io.netty:netty-handler-ssl-ocsp","ecosystem":"Red Hat Lightwell:Maven","purl":"pkg:maven/io.netty/netty-handler-ssl-ocsp"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.100.Final-rhlw-00001"}]}],"versions":["4.1.100.Final","4.1.86.Final","4.1.87.Final","4.1.88.Final","4.1.89.Final","4.1.90.Final","4.1.91.Final","4.1.92.Final","4.1.93.Final","4.1.94.Final","4.1.95.Final","4.1.96.Final","4.1.97.Final","4.1.98.Final","4.1.99.Final"],"database_specific":{"source":"https://github.com/project-lightwell/lightwell-osv/blob/main/advisories/RHLW-2026-7e27d228834c9346.json","lightwell":{"remediated_version":"4.1.100.Final-rhlw-00001","repository_url":"https://packages.redhat.com/lightwell/java/remediated/","backport_base_version":"4.1.100.Final"}}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N"}],"credits":[{"name":"Red Hat Lightwell","type":"REMEDIATION_DEVELOPER"}]}