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SUSE: libsoup Important Request Smuggling Issue CVE-2025-14523 2026:20053-1

suse
Calendar Grey January 15, 2026
Dist Suse Esm H88
An important security update is available for libsoup in SUSE addressing CVE-2025-14523 with potential request smuggling issues.
An update that solves one vulnerability can now be installed.

Summary

## This update for libsoup fixes the following issues: * CVE-2025-14523: flaw in HTTP header handling can lead to host header parsing discrepancy between servers and proxies and allow for request smuggling, cache poisoning and bypass of access controls (bsc#1254876). ## 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 6.0 zypper in -t patch SUSE-SLE-Micro-6.0-557=1 ## Package List: * SUSE Linux Micro 6.0 (aarch64 s390x x86_64) * libsoup-3_0-0-3.4.2-10.1 * libsoup-3_0-0-debuginfo-3.4.2-10.1 * libsoup-debugsource-3.4.2-10.1

Topics%20covered

Topics Covered

security advisory SuSE access control important libsoup request smuggling

References

* bsc#1254876

Cross-

* CVE-2025-14523

CVSS scores:

* CVE-2025-14523 ( SUSE ): 8.3

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

* CVE-2025-14523 ( SUSE ): 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N

* CVE-2025-14523 ( NVD ): 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N

Affected Products:

* SUSE Linux Micro 6.0

An update that solves one vulnerability can now be installed.

##

* https://www.suse.com/security/cve/CVE-2025-14523.html

* https://bugzilla.suse.com/show_bug.cgi?id=1254876

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:20053-1
Release Date: 2026-01-12T12:10:35Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE access control important libsoup request smuggling

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