ESB-2026.6188

=========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2026.6188 delve security update 4 June 2026 =========================================================================== AUSCERT Security Bulletin Summary --------------------------------- Product: delve Publisher: Red Hat Operating System: Red Hat Resolution: Patch/Upgrade CVE Names: CVE-2026-32283 CVE-2026-32280 CVE-2026-32281 Original Bulletin: https://access.redhat.com/errata/RHSA-2026:23102 Comment: CVSS (Max): 7.5 CVE-2026-32283 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) CVSS Source: Red Hat Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H EPSS (Max): 0.0% (6th) CVE-2026-32281 2026-06-03 - --------------------------BEGIN INCLUDED TEXT-------------------- RHSA-2026:23102 - Security Advisory Issued: 2026-06-04 Updated: 2026-06-04 Synopsis Delve security update Type/Severity Security Advisory: Important Topic An update for delve is now available for Red Hat Enterprise Linux 10. 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): o crypto/x509: golang: Go crypto/x509: Denial of Service via inefficient certificate chain validation (CVE-2026-32281) o crypto/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages (CVE-2026-32283) o crypto/x509: crypto/tls: golang: Go: Denial of Service vulnerability in certificate chain building (CVE-2026-32280) 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: https://access.redhat.com/articles/11258 Affected Products o Red Hat Enterprise Linux for x86_64 10 x86_64 o Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.2 x86_64 o Red Hat Enterprise Linux for Power, little endian 10 ppc64le o Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.2 ppc64le o Red Hat Enterprise Linux for ARM 64 10 aarch64 o Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.2 aarch64 o Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.2 aarch64 o Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.2 ppc64le o Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.2 x86_64 o Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 10.2 x86_64 o Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 10.2 aarch64 o Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 10.2 ppc64le Fixes o BZ - 2456333 - CVE-2026-32281 crypto/x509: golang: Go crypto/x509: Denial of Service via inefficient certificate chain validation o BZ - 2456338 - CVE-2026-32283 crypto/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages o BZ - 2456339 - CVE-2026-32280 crypto/x509: crypto/tls: golang: Go: Denial of Service vulnerability in certificate chain building CVEs o CVE-2026-32280 o CVE-2026-32281 o CVE-2026-32283 References o https://access.redhat.com/security/updates/classification/#important - --------------------------END INCLUDED TEXT---------------------- You have received this e-mail bulletin as a result of your organisation's registration with AUSCERT. 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