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SUSE Linux 12 SP5 curl-17 Major Safety Notice SUSE-SU-2026-1050-8

suse
Calendar Grey March 26, 2026
Dist Suse Esm H88
An important security update for nghttp2 on SUSE addresses a denial of service risk from an assertion failure. Update now.
An update that solves one vulnerability can now be installed.

Summary

## 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: * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-1056=1 * SUSE Linux Enterprise Server 12 SP5 LTSS zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-1056=1 ## Package List: * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64) * libnghttp2-14-32bit-1.39.2-3.23.1 * libnghttp2-devel-1.39.2-3.23.1 * libnghttp2-14-debuginfo-32bit-1.39.2-3.23.1

Topics%20covered

Topics Covered

security advisory denial of service SuSE patch important nghttp2

References

* 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:

* SUSE Linux Enterprise High Performance Computing 12 SP5

* SUSE Linux Enterprise Server 12 SP5

* SUSE Linux Enterprise Server 12 SP5 LTSS

* SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security

* SUSE Linux Enterprise Server for SAP Applications 12 SP5

An update that solves one vulnerability can now be installed.

##

* https://www.suse.com/security/cve/CVE-2026-27135.html

* https://bugzilla.suse.com/show_bug.cgi?id=1259845

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:1056-1
Release Date: 2026-03-26T08:57:43Z
Rating: important

Topics%20covered

Topics Covered

security advisory denial of service SuSE patch important nghttp2

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