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openSUSE nghttp2 Moderate HTTP Request Smuggling Issue 2026-3153-1

opensuse
Calendar Grey July 21, 2026
Scroller Opensuse
This update addresses an HTTP request smuggling issue affecting nghttp2 in openSUSE, ensuring improved system security.
An update that solves one vulnerability can now be installed.

Description

This update for nghttp2 fixes the following issue

* CVE-2026-58055: HTTP/1.1 Upgrade request can lead to HTTP request smuggling

and cross-client response-queue poisoning (bsc#1269489).

Topics%20covered

Topics Covered

security advisory moderate OpenSUSE nghttp2 http request smuggling cross-client response-queue poisoning

Patch

## 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:

* openSUSE Leap 15.6

zypper in -t patch SUSE-2026-3153=1

* Basesystem Module 15-SP7

zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-3153=1

Package List

* openSUSE Leap 15.6 (x86_64)

* libnghttp2-14-32bit-1.40.0-150600.25.8.1

* libnghttp2_asio1-32bit-1.40.0-150600.25.8.1

* libnghttp2_asio1-32bit-debuginfo-1.40.0-150600.25.8.1

* libnghttp2-14-32bit-debuginfo-1.40.0-150600.25.8.1

* openSUSE Leap 15.6 (aarch64 i586 ppc64le s390x x86_64)

* nghttp2-1.40.0-150600.25.8.1

* python3-nghttp2-1.40.0-150600.25.8.1

* libnghttp2-14-debuginfo-1.40.0-150600.25.8.1

* nghttp2-debuginfo-1.40.0-150600.25.8.1

* libnghttp2-devel-1.40.0-150600.25.8.1

* libnghttp2_asio1-1.40.0-150600.25.8.1

* libnghttp2-14-1.40.0-150600.25.8.1

* libnghttp2_asio1-debuginfo-1.40.0-150600.25.8.1

* python3-nghttp2-debuginfo-1.40.0-150600.25.8.1

* nghttp2-python-debugsource-1.40.0-150600.25.8.1

* nghttp2-debugsource-1.40.0-150600.25.8.1

* libnghttp2_asio-devel-1.40.0-150600.25.8.1

* openSUSE Leap 15.6 (aarch64_ilp32)

* libnghttp2_asio1-64bit-debuginfo-1.40.0-150600.25.8.1

* libnghttp2-14-64bit-debuginfo-1.40.0-150600.25.8.1

* libnghttp2_asio1-64bit-1.40.0-150600.25.8.1

*...

Read the Full Advisory

References

* bsc#1269489

## References:

* https://www.suse.com/security/cve/CVE-2026-58055.html

* https://bugzilla.suse.com/show_bug.cgi?id=1269489

Severity
moderate
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:3153-1
Release Date: 2026-07-21T12:54:31Z
Affected Products: * Basesystem Module 15-SP7 * openSUSE Leap 15.6 * 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

Topics%20covered

Topics Covered

security advisory moderate OpenSUSE nghttp2 http request smuggling cross-client response-queue poisoning

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