SUSE Linux 15 SP7 nghttp2 Important DoS Fix 2026-1074

## This update for nghttp2 fixes the following issues: * CVE-2026-27135: Assertion failure due to missing state validation can lead to DoS (bsc#1259845). ## 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: * Basesystem Module 15-SP7 zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-1074=1 ## Package List: * Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64) * nghttp2-debugsource-1.64.0-150700.3.3.1 * nghttp2-debuginfo-1.64.0-150700.3.3.1 * libnghttp2-14-debuginfo-1.64.0-150700.3.3.1 * libnghttp2-14-1.64.0-150700.3.3.1 * libnghttp2-devel-1.64.0-150700.3.3.1 * Basesystem Module 15-SP7 (x86_64) Read the Full Advisory

## This update for nghttp2 fixes the following issues: * CVE-2026-27135: Assertion failure due to missing state validation can lead to DoS (bsc#1259845). ## 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: * Basesystem Module 15-SP7 zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-1074=1 ## Package List: * Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64) * nghttp2-debugsource-1.64.0-150700.3.3.1 * nghttp2-debuginfo-1.64.0-150700.3.3.1 * libnghttp2-14-debuginfo-1.64.0-150700.3.3.1 * libnghttp2-14-1.64.0-150700.3.3.1 * libnghttp2-devel-1.64.0-150700.3.3.1 * Basesystem Module 15-SP7 (x86_64) Read the Full Advisory

* bsc#1259845 Cross- * CVE-2026-27135 CVSS scores: * CVE-2026-27135 ( SUSE ): 8.2 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N * CVE-2026-27135 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H * CVE-2026-27135 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Affected Products: * Basesystem Module 15-SP7 * SUSE Linux Enterprise Desktop 15 SP7 * SUSE Linux Enterprise Real Time 15 SP7 * SUSE Linux Enterprise Server 15 SP7 * SUSE Linux Enterprise Server for SAP Applications 15 SP7 An update that solves one vulnerability can now be installed. ## * *

* CVE-2026-27135 ( SUSE ): 8.2

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

* CVE-2026-27135 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-27135 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* Basesystem Module 15-SP7

* SUSE Linux Enterprise Desktop 15 SP7

* SUSE Linux Enterprise Real Time 15 SP7

* SUSE Linux Enterprise Server 15 SP7

* SUSE Linux Enterprise Server for SAP Applications 15 SP7

An update that solves one vulnerability can now be installed.

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