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Critical Denial of Service Flaw in SUSE 15 SP6 libsoup2 2026-0253-1

suse
Calendar Grey January 23, 2026
Dist Suse Esm H88
Important security update for libsoup2 addresses critical issues related to denial of service and data overflow vulnerabilities.
An update that solves two vulnerabilities can now be installed.

Summary

## This update for libsoup2 fixes the following issues: * CVE-2025-14523: Reject duplicated Host in headers and followed upstream update (bsc#1254876). * CVE-2026-0719: Fixed overflow for password md4sum (bsc#1256399) ## 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-2026-253=1 openSUSE-SLE-15.6-2026-253=1 * Basesystem Module 15-SP7 zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-253=1 * SUSE Linux Enterprise Server 15 SP6 LTSS zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-253=1 * SUSE Linux Enterprise Server for SAP Applications 15 SP6

Topics%20covered

Topics Covered

security advisory denial of service SuSE important overflow libsoup2

References

* bsc#1254876

* bsc#1256399

Cross-

* CVE-2025-14523

* CVE-2026-0719

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

* CVE-2026-0719 ( SUSE ): 9.2

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

* CVE-2026-0719 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

* CVE-2026-0719 ( NVD ): 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

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 SP6

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:0253-1
Release Date: 2026-01-22T16:08:15Z
Rating: important

Topics%20covered

Topics Covered

security advisory denial of service SuSE important overflow libsoup2

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