RHSA-2026:65918: Important: delve security update

- Issued: - 2026-09-09 - Updated: - 2026-09-09 RHSA-2026:65918 - Security Advisory Synopsis Important: delve security update Type/Severity Security Advisory: Important Red Hat Lightspeed patch analysis Identify and remediate systems affected by this advisory. Topic An update for delve is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. Description Delve is a debugger for the Go programming language. The goal of the project is to provide a simple, full featured debugging tool for Go. Delve should be easy to invoke and easy to use. Chances are if you're using a debugger, things aren't going your way. With that in mind, Delve should stay out of your way as much as possible. Security Fix(es): - encoding/asn1: golang: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal (CVE-2026-33818) - net/url: golang: golang net/url: Denial of Service from quadratic complexity in path resolution (CVE-2026-56860) - net/http: golang: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service (CVE-2026-56853) - html/template: golang: Go html/template: Cross-Site Scripting via pathological input (CVE-2026-56858) - crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages (CVE-2026-56862) - encoding/xml: golang: Go: Denial of Service via XML decoding recursion depth issue (CVE-2026-56859) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Solution For details on how to apply this update, which includes the changes described in this advisory, refer to: Affected Products - Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.0 x86_64 - Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.0 ppc64le - Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.0 aarch64 - Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.0 aarch64 - Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.0 ppc64le - Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.0 x86_64 Fixes - BZ - 2515815 - CVE-2026-33818 encoding/asn1: golang: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal - BZ - 2515820 - CVE-2026-56860 net/url: golang: golang net/url: Denial of Service from quadratic complexity in path resolution - BZ - 2515827 - CVE-2026-56853 net/http: golang: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service - BZ - 2515838 - CVE-2026-56858 html/template: golang: Go html/template: Cross-Site Scripting via pathological input - BZ - 2515839 - CVE-2026-56862 crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages - BZ - 2515840 - CVE-2026-56859 encoding/xml: golang: Go: Denial of Service via XML decoding recursion depth issue Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.0 | SRPM | | |---|---| | delve-1.26.1-2.el10_0.src.rpm | SHA-256: e8e972cf64e775760c2fd28b87b853fcb788e27a18ccab2276eac867adce25f1 | | x86_64 | | | delve-1.26.1-2.el10_0.x86_64.rpm | SHA-256: 4c794904701e5e469bb5e5d63f70f9b0e97bc4b200c9594aa98dfd5bcf4344f8 | | delve-debuginfo-1.26.1-2.el10_0.x86_64.rpm | SHA-256: 09e285955b6b815d344fcc1b413898d819cfa9707a8c06fb7038076dbe69ee9b | | delve-debugsource-1.26.1-2.el10_0.x86_64.rpm | SHA-256: d56dc49f10d6f19412ea801e27bab2f8dea6cbbcc4005501ee3bc4edaab1daca | Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.0 | SRPM | | |---|---| | delve-1.26.1-2.el10_0.src.rpm | SHA-256: e8e972cf64e775760c2fd28b87b853fcb788e27a18ccab2276eac867adce25f1 | | ppc64le | | | delve-1.26.1-2.el10_0.ppc64le.rpm | SHA-256: 766a968fc6939207862a9a65f89be78bf2e4cb168fc31ffd50b4879e6ddb64e1 | | delve-debuginfo-1.26.1-2.el10_0.ppc64le.rpm | SHA-256: 6ab9a78e8f2e039cf882d548c08251250f5c1c2fe8d1022feb25748601a0ee89 | | delve-debugsource-1.26.1-2.el10_0.ppc64le.rpm | SHA-256: 00a4547a927dd3f3a156c4c3aae029654f5cc85356635067def65070bfdb0d52 | Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.0 | SRPM | | |---|---| | delve-1.26.1-2.el10_0.src.rpm | SHA-256: e8e972cf64e775760c2fd28b87b853fcb788e27a18ccab2276eac867adce25f1 | | aarch64 | | | delve-1.26.1-2.el10_0.aarch64.rpm | SHA-256: 09699d2c6bcf07438ab0ae0353842e1a845fb83aba2ecadf1ca1d8acc9599aba | | delve-debuginfo-1.26.1-2.el10_0.aarch64.rpm | SHA-256: b37ba33d6394cdb27fbc16b80332674a4fdb2fc6b5e0d92ef87a46ff732b0403 | | delve-debugsource-1.26.1-2.el10_0.aarch64.rpm | SHA-256: bbfc0657c883c39ff162f725766bbfe17956384c762ad06759eefa26fccb12ac | Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.0 | SRPM | | |---|---| | delve-1.26.1-2.el10_0.src.rpm | SHA-256: e8e972cf64e775760c2fd28b87b853fcb788e27a18ccab2276eac867adce25f1 | | aarch64 | | | delve-1.26.1-2.el10_0.aarch64.rpm | SHA-256: 09699d2c6bcf07438ab0ae0353842e1a845fb83aba2ecadf1ca1d8acc9599aba | | delve-debuginfo-1.26.1-2.el10_0.aarch64.rpm | SHA-256: b37ba33d6394cdb27fbc16b80332674a4fdb2fc6b5e0d92ef87a46ff732b0403 | | delve-debugsource-1.26.1-2.el10_0.aarch64.rpm | SHA-256: bbfc0657c883c39ff162f725766bbfe17956384c762ad06759eefa26fccb12ac | Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.0 | SRPM | | |---|---| | delve-1.26.1-2.el10_0.src.rpm | SHA-256: e8e972cf64e775760c2fd28b87b853fcb788e27a18ccab2276eac867adce25f1 | | ppc64le | | | delve-1.26.1-2.el10_0.ppc64le.rpm | SHA-256: 766a968fc6939207862a9a65f89be78bf2e4cb168fc31ffd50b4879e6ddb64e1 | | delve-debuginfo-1.26.1-2.el10_0.ppc64le.rpm | SHA-256: 6ab9a78e8f2e039cf882d548c08251250f5c1c2fe8d1022feb25748601a0ee89 | | delve-debugsource-1.26.1-2.el10_0.ppc64le.rpm | SHA-256: 00a4547a927dd3f3a156c4c3aae029654f5cc85356635067def65070bfdb0d52 | Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.0 | SRPM | | |---|---| | delve-1.26.1-2.el10_0.src.rpm | SHA-256: e8e972cf64e775760c2fd28b87b853fcb788e27a18ccab2276eac867adce25f1 | | x86_64 | | | delve-1.26.1-2.el10_0.x86_64.rpm | SHA-256: 4c794904701e5e469bb5e5d63f70f9b0e97bc4b200c9594aa98dfd5bcf4344f8 | | delve-debuginfo-1.26.1-2.el10_0.x86_64.rpm | SHA-256: 09e285955b6b815d344fcc1b413898d819cfa9707a8c06fb7038076dbe69ee9b | | delve-debugsource-1.26.1-2.el10_0.x86_64.rpm | SHA-256: d56dc49f10d6f19412ea801e27bab2f8dea6cbbcc4005501ee3bc4edaab1daca | The Red Hat security contact is secalert@redhat.com. 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