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openSUSE 15.6 libsoup2 Critical Memory Disruption Denial of Service Alert

opensuse
Calendar Grey February 18, 2026
Dist Opensuse Esm H88
Critical security update for libsoup2 in openSUSE addresses multiple vulnerabilities. Update recommended for protection.
An update that solves three vulnerabilities can now be installed.

Description

This update for libsoup2 fixes the following issues:

* CVE-2026-1761: incorrect length calculation when parsing of multipart HTTP

responses can lead to a stack-based buffer overflow (bsc#1257598).

* CVE-2026-0716: improper bounds handling may allow out-of-bounds read

(bsc#1256418).

* CVE-2025-4476: null pointer dereference may lead to denial of service

(bsc#1243422).

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-2026-574=1 openSUSE-SLE-15.6-2026-574=1

* Basesystem Module 15-SP7

zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-574=1

* SUSE Linux Enterprise Server 15 SP6 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-574=1

* SUSE Linux Enterprise Server for SAP Applications 15 SP6

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-574=1

Package List

* openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64 i586)

* libsoup2-debugsource-2.74.3-150600.4.24.1

* libsoup2-devel-2.74.3-150600.4.24.1

* libsoup-2_4-1-2.74.3-150600.4.24.1

* libsoup-2_4-1-debuginfo-2.74.3-150600.4.24.1

* typelib-1_0-Soup-2_4-2.74.3-150600.4.24.1

* openSUSE Leap 15.6 (x86_64)

* libsoup-2_4-1-32bit-2.74.3-150600.4.24.1

* libsoup-2_4-1-32bit-debuginfo-2.74.3-150600.4.24.1

* libsoup2-devel-32bit-2.74.3-150600.4.24.1

* openSUSE Leap 15.6 (noarch)

* libsoup2-lang-2.74.3-150600.4.24.1

* openSUSE Leap 15.6 (aarch64_ilp32)

* libsoup2-devel-64bit-2.74.3-150600.4.24.1

* libsoup-2_4-1-64bit-debuginfo-2.74.3-150600.4.24.1

* libsoup-2_4-1-64bit-2.74.3-150600.4.24.1

* Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)

* libsoup2-debugsource-2.74.3-150600.4.24.1

* libsoup2-devel-2.74.3-150600.4.24.1

* libsoup-2_4-1-2.74.3-150600.4.24.1

* libsoup-2_4-1-debuginfo-2.74.3-150600.4.24.1

* typelib-1_0-Soup-2_4-2.74.3-150600.4.24.1

* Basesystem Module 15-SP7 (noarch)

* libsoup2-lang-2.74.3-150600.4.24.1

*...

Read the Full Advisory

References

* bsc#1243422

* bsc#1256418

* bsc#1257598

## References:

* https://www.suse.com/security/cve/CVE-2025-4476.html

* https://www.suse.com/security/cve/CVE-2026-0716.html

* https://www.suse.com/security/cve/CVE-2026-1761.html

* https://bugzilla.suse.com/show_bug.cgi?id=1243422

* https://bugzilla.suse.com/show_bug.cgi?id=1256418

* https://bugzilla.suse.com/show_bug.cgi?id=1257598

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:0574-1
Release Date: 2026-02-18T08:03:13Z
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 * 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

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