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openSUSE Nginx Important Buffer Overflow and DoS Fix 2026-3329-1

opensuse
Calendar Grey July 28, 2026
Scroller Opensuse
An important update addresses critical nginx security issues for openSUSE, protecting against buffer overflows and more.
A security update for nginx addresses two vulnerabilities, including a heap-based buffer overflow and remote denial of service, impacting various SUSE products and requiring immedi...

Description

This update for nginx fixes the following issues

* CVE-2026-42055: heap-based buffer overflow in the `ngx_http_proxy_v2_module`

and `ngx_http_grpc_module` modules (bsc#1268492).

* CVE-2026-48142: heap buffer over-read in the `ngx_http_charset_module`

module (bsc#1268495).

* Remote denial of service via the HTTP/2 bomb exploit (bsc#1267525).

Topics%20covered

Topics Covered

security advisory buffer overflow remote denial important nginx heap over-read

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:

* SUSE Linux Enterprise Server for SAP Applications 15 SP6

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-3329=1

* SUSE Linux Enterprise Server 15 SP6 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-3329=1

* Server Applications Module 15-SP7

zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP7-2026-3329=1

* openSUSE Leap 15.6

zypper in -t patch SUSE-2026-3329=1

Package List

* openSUSE Leap 15.6 (aarch64 i586 ppc64le s390x x86_64)

* nginx-debugsource-1.21.5-150600.10.24.1

* nginx-debuginfo-1.21.5-150600.10.24.1

* nginx-1.21.5-150600.10.24.1

* openSUSE Leap 15.6 (noarch)

* nginx-source-1.21.5-150600.10.24.1

* SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)

* nginx-debugsource-1.21.5-150600.10.24.1

* nginx-debuginfo-1.21.5-150600.10.24.1

* nginx-1.21.5-150600.10.24.1

* SUSE Linux Enterprise Server 15 SP6 LTSS (noarch)

* nginx-source-1.21.5-150600.10.24.1

* Server Applications Module 15-SP7 (aarch64 ppc64le s390x x86_64)

* nginx-debugsource-1.21.5-150600.10.24.1

* nginx-debuginfo-1.21.5-150600.10.24.1

* nginx-1.21.5-150600.10.24.1

* Server Applications Module 15-SP7 (noarch)

* nginx-source-1.21.5-150600.10.24.1

* SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)

* nginx-debugsource-1.21.5-150600.10.24.1

* nginx-debuginfo-1.21.5-150600.10.24.1

* nginx-1.21.5-150600.10.24.1

* SUSE Linux Enterprise Server for SAP Applications 15 SP6...

Read the Full Advisory

References

* bsc#1267525

* bsc#1268492

* bsc#1268495

## References:

* https://www.suse.com/security/cve/CVE-2026-42055.html

* https://www.suse.com/security/cve/CVE-2026-48142.html

* https://bugzilla.suse.com/show_bug.cgi?id=1267525

* https://bugzilla.suse.com/show_bug.cgi?id=1268492

* https://bugzilla.suse.com/show_bug.cgi?id=1268495

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:3329-1
Release Date: 2026-07-28T09:34:39Z

Topics%20covered

Topics Covered

security advisory buffer overflow remote denial important nginx heap over-read

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