{"id":"RHLW-2026-6f1a404174e2316f","summary":"Lightwell Security Advisory: netty-codec-redis 4.1.100.Final-rhlw-00001","details":"Red Hat Lightwell has released io.netty:netty-codec-redis 4.1.100.Final-rhlw-00001 with backported fixes for CVE-2026-42586, CVE-2026-44250, CVE-2026-44890, CVE-2026-48006, CVE-2026-50011, and CVE-2026-56818.\n\nCVE-2026-42586: Netty: CRLF Injection in Netty Redis Codec Encoder\n\nCVE-2026-44250: Netty: Memory Exhaustion in RedisArrayAggregator due to Deeply Nested Arrays\n\nCVE-2026-44890: Netty has Unbounded Direct Memory Consumption in its RedisDecoder\n\nCVE-2026-48006: Netty's Lack of Lifecycle Cleanup Leads to Pooled ByteBuf Leak in RedisArrayAggregator\n\nCVE-2026-50011: Netty has unbounded pre-allocation in RedisArrayAggregator from RESP array length\n\nCVE-2026-56818: Netty: RedisArrayAggregator max-elements failure leaves retained partial aggregate state\n\nThis patched artifact is a drop-in replacement for io.netty:netty-codec-redis 4.1.100.Final from Maven Central.","modified":"2026-10-27T04:13:03.226768670Z","published":"2026-10-12T16:57:49Z","upstream":["CVE-2026-42586","CVE-2026-44250","CVE-2026-44890","CVE-2026-48006","CVE-2026-50011","CVE-2026-56818","GHSA-3244-j874-rhc2","GHSA-5w86-c3rq-vjj7","GHSA-6ghj-frrj-jjj3","GHSA-6jv9-x5w9-2ccm","GHSA-p9jm-q85p-7mcp","GHSA-rgrr-p7gp-5xj7"],"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42586.json"},{"type":"ADVISORY","url":"https://github.com/netty/netty/security/advisories/GHSA-rgrr-p7gp-5xj7"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42586"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-rgrr-p7gp-5xj7"},{"type":"WEB","url":"https://github.com/netty/netty/releases/tag/netty-4.1.135.Final"},{"type":"WEB","url":"https://github.com/netty/netty/releases/tag/netty-4.2.15.Final"},{"type":"WEB","url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-44250.json"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:37390"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:41951"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:50085"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:53644"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:53645"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:53646"},{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2026-44250"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44250.json"},{"type":"ADVISORY","url":"https://github.com/netty/netty/security/advisories/GHSA-3244-j874-rhc2"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44250"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-3244-j874-rhc2"},{"type":"WEB","url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-44890.json"},{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2026-44890"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44890.json"},{"type":"ADVISORY","url":"https://github.com/netty/netty/security/advisories/GHSA-6ghj-frrj-jjj3"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44890"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-6ghj-frrj-jjj3"},{"type":"WEB","url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-48006.json"},{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2026-48006"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/48xxx/CVE-2026-48006.json"},{"type":"ADVISORY","url":"https://github.com/netty/netty/security/advisories/GHSA-6jv9-x5w9-2ccm"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-48006"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-6jv9-x5w9-2ccm"},{"type":"WEB","url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-50011.json"},{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2026-50011"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/50xxx/CVE-2026-50011.json"},{"type":"ADVISORY","url":"https://github.com/netty/netty/security/advisories/GHSA-5w86-c3rq-vjj7"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-50011"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-5w86-c3rq-vjj7"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/56xxx/CVE-2026-56818.json"},{"type":"ADVISORY","url":"https://github.com/netty/netty/security/advisories/GHSA-p9jm-q85p-7mcp"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56818"},{"type":"FIX","url":"https://github.com/netty/netty/commit/5b68c61f37aa4a3045cba624cbea239655c9003b"},{"type":"FIX","url":"https://github.com/netty/netty/commit/bb2ff68a1fb71cb4b0eb9a9e17b66c52aff680c6"},{"type":"FIX","url":"https://github.com/netty/netty/pull/17065"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-p9jm-q85p-7mcp"}],"affected":[{"package":{"name":"io.netty:netty-codec-redis","ecosystem":"Red Hat Lightwell:Maven","purl":"pkg:maven/io.netty/netty-codec-redis"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.100.Final-rhlw-00001"}]}],"versions":["4.1.0.Final","4.1.1.Final","4.1.10.Final","4.1.100.Final","4.1.11.Final","4.1.12.Final","4.1.13.Final","4.1.14.Final","4.1.15.Final","4.1.16.Final","4.1.17.Final","4.1.18.Final","4.1.19.Final","4.1.2.Final","4.1.20.Final","4.1.21.Final","4.1.22.Final","4.1.23.Final","4.1.24.Final","4.1.25.Final","4.1.26.Final","4.1.27.Final","4.1.28.Final","4.1.29.Final","4.1.3.Final","4.1.30.Final","4.1.31.Final","4.1.32.Final","4.1.33.Final","4.1.34.Final","4.1.35.Final","4.1.36.Final","4.1.37.Final","4.1.38.Final","4.1.39.Final","4.1.4.Final","4.1.40.Final","4.1.41.Final","4.1.42.Final","4.1.43.Final","4.1.44.Final","4.1.45.Final","4.1.46.Final","4.1.47.Final","4.1.48.Final","4.1.49.Final","4.1.5.Final","4.1.50.Final","4.1.51.Final","4.1.52.Final","4.1.53.Final","4.1.54.Final","4.1.55.Final","4.1.56.Final","4.1.57.Final","4.1.58.Final","4.1.59.Final","4.1.6.Final","4.1.60.Final","4.1.61.Final","4.1.62.Final","4.1.63.Final","4.1.64.Final","4.1.65.Final","4.1.66.Final","4.1.67.Final","4.1.68.Final","4.1.69.Final","4.1.7.Final","4.1.70.Final","4.1.71.Final","4.1.72.Final","4.1.73.Final","4.1.74.Final","4.1.75.Final","4.1.76.Final","4.1.77.Final","4.1.78.Final","4.1.79.Final","4.1.8.Final","4.1.80.Final","4.1.81.Final","4.1.82.Final","4.1.83.Final","4.1.84.Final","4.1.85.Final","4.1.86.Final","4.1.87.Final","4.1.88.Final","4.1.89.Final","4.1.9.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":{"lightwell":{"repository_url":"https://packages.redhat.com/lightwell/java/remediated/","backport_base_version":"4.1.100.Final","remediated_version":"4.1.100.Final-rhlw-00001"},"source":"https://github.com/project-lightwell/lightwell-osv/blob/main/advisories/RHLW-2026-6f1a404174e2316f.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"}],"credits":[{"name":"Red Hat Lightwell","type":"REMEDIATION_DEVELOPER"}]}