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SUSE nghttp2 Moderate HTTP Smuggling Vulnern 2026-22594-1

suse
Calendar Grey July 15, 2026
Scroller Suse
A SUSE update addressing a moderate security issue in nghttp2 relates to HTTP request smuggling. Learn more!
SUSE issued a security update for nghttp2 to address a vulnerability (CVE-2026-58055) related to HTTP request/response smuggling, applicable to SUSE Linux Micro 6.2.

Summary

## This update for nghttp2 fixes the following issue * CVE-2026-58055: HTTP request/response smuggling via upgrade request with `Content-Length` (bsc#1269489). ## 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 Micro 6.2 zypper in -t patch SUSE-SL-Micro-6.2-1213=1 ## Package List: * SUSE Linux Micro 6.2 (aarch64 ppc64le s390x x86_64) * nghttp2-debugsource-1.64.0-160000.4.1 * libnghttp2-14-1.64.0-160000.4.1 * nghttp2-debuginfo-1.64.0-160000.4.1 * libnghttp2-14-debuginfo-1.64.0-160000.4.1

Topics%20covered

Topics Covered

security advisory moderate update SuSE http smuggling nghttp2

References

* bsc#1269489

Cross-

* CVE-2026-58055

CVSS scores:

* CVE-2026-58055 ( SUSE ): 6.3

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

* CVE-2026-58055 ( SUSE ): 5.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N

* CVE-2026-58055 ( NVD ): 6.3

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

* CVE-2026-58055 ( NVD ): 5.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N

Affected Products:

* SUSE Linux Micro 6.2

An update that solves one vulnerability can now be installed.

##

Severity
moderate
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:22594-1
Release Date: 2026-07-10T13:25:42Z
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate update SuSE http smuggling nghttp2

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