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openSUSE Nginx Important Heap Overflow Threat Vuln 2026-2307-1

suse
Calendar Grey June 9, 2026
Dist Suse Esm H88
SUSE issues important security update for nginx addressing heap overflow risks. Update recommended for affected users.
An update that solves one vulnerability can now be installed.

Summary

## This update for nginx fixes the following issue * CVE-2026-9256: heap buffer overflow in the `ngx_http_rewrite_module` when using a configuration with overlapping captures (bsc#1266215). ## 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-2026-2307=1 * Server Applications Module 15-SP7 zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP7-2026-2307=1 * SUSE Linux Enterprise Server 15 SP6 LTSS zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-2307=1 * SUSE Linux Enterprise Server for SAP Applications 15 SP6 zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-2307=1

Topics%20covered

Topics Covered

security advisory important heap overflow nginx OpenSUSE CVE-2026-9256

References

* bsc#1266215

Cross-

* CVE-2026-9256

CVSS scores:

* CVE-2026-9256 ( SUSE ): 9.2

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

* CVE-2026-9256 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products:

* openSUSE Leap 15.6

* Server Applications Module 15-SP7

* SUSE Linux Enterprise Real Time 15 SP7

* SUSE Linux Enterprise Server 15 SP6

* SUSE Linux Enterprise Server 15 SP6 LTSS

* SUSE Linux Enterprise Server 15 SP7

* SUSE Linux Enterprise Server for SAP Applications 15 SP6

* SUSE Linux Enterprise Server for SAP Applications 15 SP7

An update that solves one vulnerability can now be installed.

##

* https://www.suse.com/security/cve/CVE-2026-9256.html

* https://bugzilla.suse.com/show_bug.cgi?id=1266215

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2307-1
Release Date: 2026-06-09T08:12:26Z
Rating: important

Topics%20covered

Topics Covered

security advisory important heap overflow nginx OpenSUSE CVE-2026-9256

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