{"id":"CVE-2026-45674","title":"Netty is a network application framework for development of protocol servers and clients","summary":"Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, Netty's DnsResolveContext fails to validate the origin (bailiwick) of CNAME records in DNS respon…","severity":"high","cvss":8.7,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N","cwe":["CWE-345","CWE-346"],"vendor":"netty","product":"netty","affected":["netty < 4.1.135","netty >= 4.2.0, < 4.2.15"],"patched":["netty 4.2.15"],"published":"2026-06-12","updated":"2026-09-18","sourceUpdated":"2026-09-18T13:18:26.863","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-45674","references":[{"url":"https://github.com/netty/netty/releases/tag/netty-4.1.135.Final","label":"security-advisories@github.com"},{"url":"https://github.com/netty/netty/releases/tag/netty-4.2.15.Final","label":"security-advisories@github.com"},{"url":"https://github.com/netty/netty/security/advisories/GHSA-676x-f7gg-47vc","label":"security-advisories@github.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:26017","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:26018","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:26586","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:34608","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:37390","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:41951","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:48151","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:49700","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:49701","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:50085","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:53644","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:53645","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:53646","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:54435","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:62260","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:65126","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/security/cve/CVE-2026-45674","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2488400","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-45674.json","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:53806","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-45674"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45674"},{"url":"https://github.com/advisories/GHSA-676x-f7gg-47vc"}],"tags":["nvd","exploit-available","cve.org","csaf","vex","red-hat","ghsa","maven"],"epss":0.00303,"epssPercentile":0.23257,"exploits":{"github":1,"githubRepos":["https://github.com/xiaoqiMikko/netty-resolver-dns-check"],"checkedAt":"2026-09-24T07:53:04.194Z"},"exploitAvailable":true,"aliases":["GHSA-676x-f7gg-47vc"],"ecosystem":"maven","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-06-13T03:56:02.852513Z"},"ingestedAt":"2026-07-03T14:03:37.095Z","slug":"CVE-2026-45674","body":"## Overview\n\nNetty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, Netty's DnsResolveContext fails to validate the origin (bailiwick) of CNAME records in DNS responses. Versions 4.1.135.Final and 4.2.15.Final patch the issue.\n\n## Affected\n\n- `netty < 4.1.135`\n- `netty >= 4.2.0, < 4.2.15`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `netty 4.2.15`\n\n## Package advisory (CVE-2026-45674)\n\nAffected packages:\n\n- `io.netty:netty-resolver-dns >= 4.2.0.Final, <= 4.2.14.Final`\n- `io.netty:netty-resolver-dns <= 4.1.134.Final`\n\nPatched in:\n\n- `io.netty:netty-resolver-dns 4.2.15.Final`\n- `io.netty:netty-resolver-dns 4.1.135.Final`\n\nSource: https://github.com/advisories/GHSA-676x-f7gg-47vc\n\n## Vendor advisories\n\n- **RHSA-2026:49700** · Red Hat · fixed in: Red Hat JBoss EAP 8.1 for RHEL 10, Red Hat JBoss EAP 8.1 for RHEL 8, Red Hat JBoss EAP 8.1 for RHEL 9 · released 2026-08-03 · [advisory](https://access.redhat.com/errata/RHSA-2026:49700)\n- **RHSA-2026:53644** · Red Hat · fixed in: Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server · released 2026-08-11 · [advisory](https://access.redhat.com/errata/RHSA-2026:53644)\n- **RHSA-2026:48151** · Red Hat · fixed in: Cryostat 4 on RHEL 9 · released 2026-07-29 · [advisory](https://access.redhat.com/errata/RHSA-2026:48151)\n- **RHSA-2026:26586** · Red Hat · fixed in: Red Hat Build of Apache Camel 3.33 for Quarkus 3.33.2.SP1 · released 2026-06-17 · [advisory](https://access.redhat.com/errata/RHSA-2026:26586)\n- **RHSA-2026:41951** · Red Hat · fixed in: Red Hat Data Grid 8.6.2 · released 2026-07-20 · [advisory](https://access.redhat.com/errata/RHSA-2026:41951)\n- **RHSA-2026:53806** · Red Hat · fixed in: Red Hat JBoss Enterprise Application Platform 7.4.25 · released 2026-08-11 · [advisory](https://access.redhat.com/errata/RHSA-2026:53806)\n- **RHSA-2026:50085** · Red Hat · fixed in: Red Hat JBoss Enterprise Application Platform 8.1 · released 2026-08-04 · [advisory](https://access.redhat.com/errata/RHSA-2026:50085)\n- **RHSA-2026:49701** · Red Hat · fixed in: Red Hat JBoss Enterprise Application Platform 8.1.7.GA · released 2026-08-03 · [advisory](https://access.redhat.com/errata/RHSA-2026:49701)\n- **RHSA-2026:62260** · Red Hat · fixed in: Red Hat OpenShift Dev Spaces 3.30 · released 2026-09-01 · [advisory](https://access.redhat.com/errata/RHSA-2026:62260)\n- **RHSA-2026:37390** · Red Hat · fixed in: Red Hat build of Apache Camel 4.18.1.P1 for Spring Boot 3.5.16 · released 2026-07-09 · [advisory](https://access.redhat.com/errata/RHSA-2026:37390)\n- **RHSA-2026:26018** · Red Hat · fixed in: Red Hat build of Quarkus 3.27.4.SP1 · released 2026-06-17 · [advisory](https://access.redhat.com/errata/RHSA-2026:26018)\n- **Red Hat VEX** · Important · affected: OpenShift Serverless, Red Hat build of Apache Camel - HawtIO 4, Red Hat build of Apache Camel 4 for Quarkus 3, Red Hat build of Apicurio Registry 3, Red Hat build of Debezium 3, Red Hat Fuse 7, … · no fix planned: Red Hat build of Debezium 3, Red Hat Fuse 7, OpenShift Serverless, Red Hat build of Apache Camel - HawtIO 4, … · updated 2026-09-17 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-45674.json)\n- **RHSA-2026:65126** · Red Hat · fixed in: Red Hat OpenShift AI 2.25 · released 2026-09-08 · [advisory](https://access.redhat.com/errata/RHSA-2026:65126)\n- **RHSA-2026:53645** · Red Hat · fixed in: Red Hat JBoss EAP 7.4 ELS for RHEL 8 · released 2026-08-11 · [advisory](https://access.redhat.com/errata/RHSA-2026:53645)\n- **RHSA-2026:53646** · Red Hat · fixed in: Red Hat JBoss EAP 7.4 ELS for RHEL 9 · released 2026-08-11 · [advisory](https://access.redhat.com/errata/RHSA-2026:53646)","depth":"midnight","depthScore":60,"depthScoreParts":{"impact":47.8,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":201683,"id":"CVE-2026-45674","ts":1789399605760,"field":"exploit_available","old":"false","new":"true"},{"seq":200415,"id":"CVE-2026-45674","ts":1789397212231,"field":"exploit_available","old":"true","new":"false"},{"seq":198339,"id":"CVE-2026-45674","ts":1789391847638,"field":"exploit_available","old":"false","new":"true"},{"seq":196132,"id":"CVE-2026-45674","ts":1789383488520,"field":"exploit_available","old":"true","new":"false"},{"seq":195061,"id":"CVE-2026-45674","ts":1789380374952,"field":"exploit_available","old":"false","new":"true"},{"seq":193848,"id":"CVE-2026-45674","ts":1789378336234,"field":"exploit_available","old":"true","new":"false"},{"seq":192635,"id":"CVE-2026-45674","ts":1789376325075,"field":"exploit_available","old":"false","new":"true"},{"seq":191422,"id":"CVE-2026-45674","ts":1789373244774,"field":"exploit_available","old":"true","new":"false"},{"seq":190207,"id":"CVE-2026-45674","ts":1789369203299,"field":"exploit_available","old":"false","new":"true"},{"seq":188994,"id":"CVE-2026-45674","ts":1789368111203,"field":"exploit_available","old":"true","new":"false"},{"seq":187777,"id":"CVE-2026-45674","ts":1789365064417,"field":"exploit_available","old":"false","new":"true"},{"seq":186564,"id":"CVE-2026-45674","ts":1789363093206,"field":"exploit_available","old":"true","new":"false"},{"seq":185350,"id":"CVE-2026-45674","ts":1789361027336,"field":"exploit_available","old":"false","new":"true"},{"seq":184137,"id":"CVE-2026-45674","ts":1789358012877,"field":"exploit_available","old":"true","new":"false"},{"seq":182388,"id":"CVE-2026-45674","ts":1789354156205,"field":"exploit_available","old":"false","new":"true"},{"seq":181181,"id":"CVE-2026-45674","ts":1789352998542,"field":"exploit_available","old":"true","new":"false"},{"seq":179974,"id":"CVE-2026-45674","ts":1789350078472,"field":"exploit_available","old":"false","new":"true"},{"seq":178767,"id":"CVE-2026-45674","ts":1789347933595,"field":"exploit_available","old":"true","new":"false"},{"seq":177560,"id":"CVE-2026-45674","ts":1789346219279,"field":"exploit_available","old":"false","new":"true"},{"seq":176353,"id":"CVE-2026-45674","ts":1789342847076,"field":"exploit_available","old":"true","new":"false"},{"seq":175807,"id":"CVE-2026-45674","ts":1789338630459,"field":"exploit_available","old":"false","new":"true"},{"seq":175677,"id":"CVE-2026-45674","ts":1789338464380,"field":"exploit_available","old":"true","new":"false"},{"seq":174472,"id":"CVE-2026-45674","ts":1789334659434,"field":"exploit_available","old":"false","new":"true"},{"seq":173267,"id":"CVE-2026-45674","ts":1789333341590,"field":"exploit_available","old":"true","new":"false"},{"seq":172081,"id":"CVE-2026-45674","ts":1789330941031,"field":"exploit_available","old":"false","new":"true"},{"seq":170895,"id":"CVE-2026-45674","ts":1789328458454,"field":"exploit_available","old":"true","new":"false"},{"seq":169690,"id":"CVE-2026-45674","ts":1789326976405,"field":"exploit_available","old":"false","new":"true"},{"seq":168485,"id":"CVE-2026-45674","ts":1789323530173,"field":"exploit_available","old":"true","new":"false"},{"seq":167280,"id":"CVE-2026-45674","ts":1789319423437,"field":"exploit_available","old":"false","new":"true"},{"seq":166075,"id":"CVE-2026-45674","ts":1789318398856,"field":"exploit_available","old":"true","new":"false"},{"seq":164870,"id":"CVE-2026-45674","ts":1789315612725,"field":"exploit_available","old":"false","new":"true"},{"seq":163665,"id":"CVE-2026-45674","ts":1789313337149,"field":"exploit_available","old":"true","new":"false"},{"seq":162460,"id":"CVE-2026-45674","ts":1789311752218,"field":"exploit_available","old":"false","new":"true"},{"seq":161255,"id":"CVE-2026-45674","ts":1789308360865,"field":"exploit_available","old":"true","new":"false"},{"seq":160760,"id":"CVE-2026-45674","ts":1789304301387,"field":"exploit_available","old":"false","new":"true"},{"seq":158598,"id":"CVE-2026-45674","ts":1789299352911,"field":"exploit_available","old":"true","new":"false"},{"seq":157562,"id":"CVE-2026-45674","ts":1789296512351,"field":"exploit_available","old":"false","new":"true"},{"seq":156357,"id":"CVE-2026-45674","ts":1789294455421,"field":"exploit_available","old":"true","new":"false"},{"seq":155152,"id":"CVE-2026-45674","ts":1789292714861,"field":"exploit_available","old":"false","new":"true"},{"seq":153947,"id":"CVE-2026-45674","ts":1789289432280,"field":"exploit_available","old":"true","new":"false"},{"seq":152597,"id":"CVE-2026-45674","ts":1789281349803,"field":"exploit_available","old":"false","new":"true"},{"seq":150159,"id":"CVE-2026-45674","ts":1789275923665,"field":"exploit_available","old":"true","new":"false"},{"seq":149126,"id":"CVE-2026-45674","ts":1789273628295,"field":"exploit_available","old":"false","new":"true"},{"seq":148093,"id":"CVE-2026-45674"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