SUSE Go 1.26 Update Fixes HTTP/2 and Certificate Issues

Two serious PHP flaws could let an attacker run code without logging in. See which setups and PHP versions are affected ×

## This update for go1.26 fixes the following issues: Update to go1.26.10 (bsc#1255111): * CVE-2026-78663: net/http: double flow control refund on HTTP/2 server streams (bsc#1284770). * CVE-2026-78669: net/http: excessive CPU consumption from repeated initial window changes (bsc#1284772). * CVE-2026-111943: crypto/x509: mitigation for security concerns with a specific Certificate Authority (bsc#1286317, bsc#1286261). ## 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: * SUSE Linux Enterprise Server for SAP Applications 15 SP4 zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-4864

## This update for go1.26 fixes the following issues: Update to go1.26.10 (bsc#1255111): * CVE-2026-78663: net/http: double flow control refund on HTTP/2 server streams (bsc#1284770). * CVE-2026-78669: net/http: excessive CPU consumption from repeated initial window changes (bsc#1284772). * CVE-2026-111943: crypto/x509: mitigation for security concerns with a specific Certificate Authority (bsc#1286317, bsc#1286261). ## 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: * SUSE Linux Enterprise Server for SAP Applications 15 SP4 zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-4864

* CVE-2026-111943 ( SUSE ): 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

* CVE-2026-78663 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

* CVE-2026-78663 ( NVD ): 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

* CVE-2026-78669 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-78669 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* Development Tools Module 15-SP7

* SUSE Linux Enterprise Desktop 15 SP7

* SUSE Linux Enterprise High Performance Computing 15 SP4

* SUSE Linux Enterprise High Performance Computing 15 SP5

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4

Announcement ID: SUSE-SU-2026:4864-1 Release Date: 2026-10-22T13:37:39Z Rating: important

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