{ "document": { "aggregate_severity": { "namespace": "https://www.suse.com/support/security/rating/", "text": "important" }, "category": "csaf_vex", "csaf_version": "2.0", "distribution": { "text": "Copyright 2024 SUSE LLC. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "SUSE CVE-2026-42578", "title": "Title" }, { "category": "description", "text": "Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, Netty's HttpProxyHandler constructs HTTP CONNECT requests with header validation explicitly disabled. The newInitialMessage() method creates headers using DefaultHttpHeadersFactory.headersFactory().withValidation(false), then adds user-provided outboundHeaders without any CRLF validation. This allows an attacker who can influence the outbound headers to inject arbitrary HTTP headers into the CONNECT request sent to the proxy server. This vulnerability is fixed in 4.2.13.Final and 4.1.133.Final.", "title": "Description of the CVE" }, { "category": "legal_disclaimer", "text": "CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).", "title": "Terms of use" } ], "publisher": { "category": "vendor", "contact_details": "https://www.suse.com/support/security/contact/", "name": "SUSE Product Security Team", "namespace": "https://www.suse.com/" }, "references": [ { "category": "external", "summary": "CVE-2026-42578", "url": "https://www.suse.com/security/cve/CVE-2026-42578" }, { "category": "external", "summary": "SUSE Security Ratings", "url": "https://www.suse.com/support/security/rating/" }, { "category": "external", "summary": "SUSE Bug 1265243 for CVE-2026-42578", "url": "https://bugzilla.suse.com/1265243" }, { "category": "external", "summary": "Advisory link for SUSE-SU-2026:2308-1", "url": "https://lists.suse.com/pipermail/sle-updates/2026-June/047194.html" } ], "title": "SUSE CVE CVE-2026-42578", "tracking": { "current_release_date": "2026-09-18T00:56:41Z", "generator": { "date": "2026-05-15T01:58:46Z", "engine": { "name": "cve-database.git:bin/generate-csaf-vex.pl", "version": "1" } }, "id": "CVE-2026-42578", "initial_release_date": "2026-05-15T01:58:46Z", "revision_history": [ { "date": "2026-05-15T01:58:46Z", "number": "2", "summary": "vulnerabilities added,references added,severity changed from to important" }, { "date": "2026-06-10T02:27:59Z", "number": "3", "summary": "scores added,updates released,references added" }, { "date": "2026-06-24T02:39:40Z", "number": "4", "summary": "more updates marked as not affected" }, { "date": "2026-09-07T16:28:19Z", "number": "5", "summary": "more updates marked as not affected" }, { "date": "2026-09-11T16:32:08Z", "number": "6", "summary": "unknown changes" }, { "date": "2026-09-18T00:56:41Z", "number": "7", "summary": "unknown changes" } ], "status": "interim", "version": "7" } }, "product_tree": { 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15 SP6", "product_id": "SUSE Linux Enterprise Server for SAP Applications 15 SP6:netty3" }, "product_reference": "netty3", "relates_to_product_reference": "SUSE Linux Enterprise Server for SAP Applications 15 SP6" }, { "category": "default_component_of", "full_product_name": { "name": "netty3 as component of SUSE Linux Enterprise Server 15 SP6-LTSS", "product_id": "SUSE Linux Enterprise Server 15 SP6-LTSS:netty3" }, "product_reference": "netty3", "relates_to_product_reference": "SUSE Linux Enterprise Server 15 SP6-LTSS" }, { "category": "default_component_of", "full_product_name": { "name": "netty-tcnative as component of SUSE Linux Enterprise Server Teradata 15 SP4", "product_id": "SUSE Linux Enterprise Server Teradata 15 SP4:netty-tcnative" }, "product_reference": "netty-tcnative", "relates_to_product_reference": "SUSE Linux Enterprise Server Teradata 15 SP4" }, { "category": "default_component_of", "full_product_name": { "name": "netty3 as component of SUSE Linux Enterprise Server 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Prior to 4.2.13.Final and 4.1.133.Final, Netty's HttpProxyHandler constructs HTTP CONNECT requests with header validation explicitly disabled. The newInitialMessage() method creates headers using DefaultHttpHeadersFactory.headersFactory().withValidation(false), then adds user-provided outboundHeaders without any CRLF validation. This allows an attacker who can influence the outbound headers to inject arbitrary HTTP headers into the CONNECT request sent to the proxy server. 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Tumbleweed:netty-bom-4.1.133-1.1", "openSUSE Tumbleweed:netty-javadoc-4.1.133-1.1", "openSUSE Tumbleweed:netty-parent-4.1.133-1.1" ] }, "references": [ { "category": "external", "summary": "CVE-2026-42578", "url": "https://www.suse.com/security/cve/CVE-2026-42578" }, { "category": "external", "summary": "SUSE Security Ratings", "url": "https://www.suse.com/support/security/rating/" }, { "category": "external", "summary": "SUSE Bug 1265243 for CVE-2026-42578", "url": "https://bugzilla.suse.com/1265243" }, { "category": "external", "summary": "Advisory link for SUSE-SU-2026:2308-1", "url": "https://lists.suse.com/pipermail/sle-updates/2026-June/047194.html" } ], "remediations": [ { "category": "vendor_fix", "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n", "product_ids": [ "SUSE Linux Enterprise Desktop 15 SP7:netty-tcnative-2.0.77-150200.3.39.1", "SUSE Linux Enterprise High Performance 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SP7:netty-tcnative-2.0.77-150200.3.39.1", "SUSE Linux Enterprise Server for SAP Applications 15 SP4:netty-tcnative-2.0.77-150200.3.39.1", "SUSE Linux Enterprise Server for SAP Applications 15 SP5:netty-tcnative-2.0.77-150200.3.39.1", "SUSE Linux Enterprise Server for SAP Applications 15 SP6:netty-tcnative-2.0.77-150200.3.39.1", "SUSE Linux Enterprise Server for SAP Applications 15 SP7:netty-tcnative-2.0.77-150200.3.39.1", "openSUSE Tumbleweed:netty-4.1.133-1.1", "openSUSE Tumbleweed:netty-bom-4.1.133-1.1", "openSUSE Tumbleweed:netty-javadoc-4.1.133-1.1", "openSUSE Tumbleweed:netty-parent-4.1.133-1.1" ] } ], "scores": [ { "cvss_v3": { "baseScore": 7.5, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1" }, "products": [ "SUSE Linux Enterprise Desktop 15 SP7:netty-tcnative-2.0.77-150200.3.39.1", "SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:netty-tcnative-2.0.77-150200.3.39.1", "SUSE Linux Enterprise High Performance 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SP4:netty-tcnative-2.0.77-150200.3.39.1", "SUSE Linux Enterprise Server for SAP Applications 15 SP5:netty-tcnative-2.0.77-150200.3.39.1", "SUSE Linux Enterprise Server for SAP Applications 15 SP6:netty-tcnative-2.0.77-150200.3.39.1", "SUSE Linux Enterprise Server for SAP Applications 15 SP7:netty-tcnative-2.0.77-150200.3.39.1", "openSUSE Tumbleweed:netty-4.1.133-1.1", "openSUSE Tumbleweed:netty-bom-4.1.133-1.1", "openSUSE Tumbleweed:netty-javadoc-4.1.133-1.1", "openSUSE Tumbleweed:netty-parent-4.1.133-1.1" ] } ], "threats": [ { "category": "impact", "date": "2026-05-13T20:01:24Z", "details": "important" } ], "title": "CVE-2026-42578" } ] }