ESB-2026.5721

=========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2026.5721 Security update for go1.26-openssl 27 May 2026 =========================================================================== AUSCERT Security Bulletin Summary --------------------------------- Product: go1.26-openssl Publisher: SUSE Operating System: SUSE Resolution: Patch/Upgrade CVE Names: CVE-2026-33811 CVE-2026-33814 CVE-2026-39817 CVE-2026-39819 CVE-2026-39820 CVE-2026-39823 CVE-2026-39825 CVE-2026-39826 CVE-2026-39836 CVE-2026-42499 CVE-2026-42501 Original Bulletin: https://www.suse.com/support/update/announcement/2026/suse-su-20262078-1 Comment: CVSS (Max): 7.5 CVE-2026-42501 (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H) CVSS Source: SUSE Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H EPSS (Max): 0.1% (16th) CVE-2026-39820 2026-05-26 - --------------------------BEGIN INCLUDED TEXT-------------------- Security update for go1.26-openssl Announcement ID: SUSE-SU-2026:2078-1 Release Date: 2026-05-26T14:54:12Z Rating: important o bsc#1170826 o bsc#1255111 o bsc#1264499 o bsc#1264500 o bsc#1264501 o bsc#1264502 o bsc#1264503 References: o bsc#1264504 o bsc#1264505 o bsc#1264506 o bsc#1264507 o bsc#1264508 o bsc#1264509 o jsc#SLE-18320 o CVE-2026-33811 o CVE-2026-33814 o CVE-2026-39817 o CVE-2026-39819 o CVE-2026-39820 Cross-References: o CVE-2026-39823 o CVE-2026-39825 o CVE-2026-39826 o CVE-2026-39836 o CVE-2026-42499 o CVE-2026-42501 o CVE-2026-33811 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N /S:U/C:N/I:N/A:H o CVE-2026-33811 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/ S:U/C:N/I:N/A:H o CVE-2026-33811 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/ S:U/C:N/I:N/A:H o CVE-2026-33814 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N /S:U/C:N/I:N/A:H o CVE-2026-33814 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/ S:U/C:N/I:N/A:H o CVE-2026-33814 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/ S:U/C:N/I:N/A:H o CVE-2026-39817 ( SUSE ): 5.9 CVSS:3.1/AV:L/AC:L/PR:L/UI:R /S:C/C:N/I:H/A:N o CVE-2026-39817 ( NVD ): 5.9 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/ S:C/C:N/I:H/A:N o CVE-2026-39817 ( NVD ): 5.9 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/ S:C/C:N/I:H/A:N o CVE-2026-39819 ( SUSE ): 5.3 CVSS:3.1/AV:L/AC:H/PR:L/UI:N /S:U/C:L/I:H/A:N o CVE-2026-39819 ( NVD ): 5.3 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/ S:U/C:L/I:H/A:N o CVE-2026-39819 ( NVD ): 5.3 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/ S:U/C:L/I:H/A:N o CVE-2026-39820 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N /S:U/C:N/I:N/A:H o CVE-2026-39820 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/ S:U/C:N/I:N/A:H CVSS scores: o CVE-2026-39820 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/ S:U/C:N/I:N/A:H o CVE-2026-39823 ( SUSE ): 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R /S:C/C:L/I:L/A:N o CVE-2026-39823 ( NVD ): 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/ S:C/C:L/I:L/A:N o CVE-2026-39825 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N /S:U/C:L/I:N/A:N o CVE-2026-39825 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/ S:U/C:L/I:N/A:N o CVE-2026-39826 ( SUSE ): 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R /S:C/C:L/I:L/A:N o CVE-2026-39826 ( NVD ): 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/ S:C/C:L/I:L/A:N o CVE-2026-39836 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N /S:U/C:N/I:N/A:H o CVE-2026-39836 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/ S:U/C:N/I:N/A:H o CVE-2026-39836 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/ S:U/C:N/I:N/A:H o CVE-2026-42499 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N /S:U/C:N/I:N/A:H o CVE-2026-42499 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/ S:U/C:N/I:N/A:H o CVE-2026-42501 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R /S:U/C:H/I:H/A:H o CVE-2026-42501 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/ S:U/C:H/I:H/A:H o Development Tools Module 15-SP7 o openSUSE Leap 15.6 o SUSE Linux Enterprise Desktop 15 SP7 Affected o SUSE Linux Enterprise Real Time 15 SP7 Products: o SUSE Linux Enterprise Server 15 SP6 o SUSE Linux Enterprise Server 15 SP6 LTSS o SUSE Linux Enterprise Server 15 SP7 o SUSE Linux Enterprise Server for SAP Applications 15 SP6 o SUSE Linux Enterprise Server for SAP Applications 15 SP7 An update that solves 11 vulnerabilities, contains one feature and has two security fixes can now be installed. Description: This update for go1.26-openssl fixes the following issues Security issues: o CVE-2026-33811: net: crash when handling long CNAME response (bsc#1264508). o CVE-2026-33814: net/http: infinite loop in HTTP/2 transport when given bad SETTINGS_MAX_FRAME_SIZE (bsc#1264506). o CVE-2026-39817: cmd/go: "go tool pack" does not sanitize output paths (bsc# 1264505). o CVE-2026-39819: cmd/go: "go bug" follows symlinks in predictable temporary filenames (bsc#1264504). o CVE-2026-39820: net/mail: quadratic string concatentation in consumeComment (bsc#1264503). o CVE-2026-39823: html/template: bypass of meta content URL escaping causes XSS (bsc#1264509). o CVE-2026-39825: net/http/httputil: ReverseProxy forwards queries with more than urlmaxqueryparams parameters (bsc#1264500). o CVE-2026-39826: html/template: escaper bypass leads to XSS (bsc#1264507). o CVE-2026-39836: net: panic in Dial and LookupPort when handling NUL byte on Windows (bsc#1264501). o CVE-2026-42499: net/mail: quadratic string concatenation in consumePhrase (bsc#1264502). o CVE-2026-42501: cmd/go: malicious module proxy can bypass checksum database (bsc#1264499). Non security issues: o go1.26 release tracking (bsc#1255111). o Go packages miss binutils-gold dependency (bsc#1170826). o supply a go built with openssl linkage (jsc#SLE-18320). Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: o openSUSE Leap 15.6 zypper in -t patch SUSE-2026-2078=1 o Development Tools Module 15-SP7 zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP7-2026-2078=1 o SUSE Linux Enterprise Server 15 SP6 LTSS zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-2078=1 o SUSE Linux Enterprise Server for SAP Applications 15 SP6 zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-2078=1 Package List: o openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64 i586) go1.26-openssl-1.26.3-150600.13.6.1 go1.26-openssl-doc-1.26.3-150600.13.6.1 o openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64) go1.26-openssl-race-1.26.3-150600.13.6.1 o Development Tools Module 15-SP7 (aarch64 ppc64le s390x x86_64) go1.26-openssl-race-1.26.3-150600.13.6.1 go1.26-openssl-1.26.3-150600.13.6.1 go1.26-openssl-doc-1.26.3-150600.13.6.1 o SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64) go1.26-openssl-race-1.26.3-150600.13.6.1 go1.26-openssl-1.26.3-150600.13.6.1 go1.26-openssl-doc-1.26.3-150600.13.6.1 o SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64) go1.26-openssl-race-1.26.3-150600.13.6.1 go1.26-openssl-1.26.3-150600.13.6.1 go1.26-openssl-doc-1.26.3-150600.13.6.1 References: o https://www.suse.com/security/cve/CVE-2026-33811.html o https://www.suse.com/security/cve/CVE-2026-33814.html o https://www.suse.com/security/cve/CVE-2026-39817.html o https://www.suse.com/security/cve/CVE-2026-39819.html o https://www.suse.com/security/cve/CVE-2026-39820.html o https://www.suse.com/security/cve/CVE-2026-39823.html o https://www.suse.com/security/cve/CVE-2026-39825.html o https://www.suse.com/security/cve/CVE-2026-39826.html o https://www.suse.com/security/cve/CVE-2026-39836.html o https://www.suse.com/security/cve/CVE-2026-42499.html o https://www.suse.com/security/cve/CVE-2026-42501.html o https://bugzilla.suse.com/show_bug.cgi?id=1170826 o https://bugzilla.suse.com/show_bug.cgi?id=1255111 o https://bugzilla.suse.com/show_bug.cgi?id=1264499 o https://bugzilla.suse.com/show_bug.cgi?id=1264500 o https://bugzilla.suse.com/show_bug.cgi?id=1264501 o https://bugzilla.suse.com/show_bug.cgi?id=1264502 o https://bugzilla.suse.com/show_bug.cgi?id=1264503 o https://bugzilla.suse.com/show_bug.cgi?id=1264504 o https://bugzilla.suse.com/show_bug.cgi?id=1264505 o https://bugzilla.suse.com/show_bug.cgi?id=1264506 o https://bugzilla.suse.com/show_bug.cgi?id=1264507 o https://bugzilla.suse.com/show_bug.cgi?id=1264508 o https://bugzilla.suse.com/show_bug.cgi?id=1264509 o https://jira.suse.com/browse/SLE-18320 - --------------------------END INCLUDED TEXT---------------------- You have received this e-mail bulletin as a result of your organisation's registration with AUSCERT. 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