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openSUSE 15.6 libsoup2 Security Advisory on Buffer Overread Vulnerability

opensuse
Calendar Grey February 26, 2026
Dist Opensuse Esm H88
Four important vulnerabilities addressed in libsoup2 update for openSUSE. Ensure your system is secure with these fixes.
An update that solves four vulnerabilities can now be installed.

Description

This update for libsoup2 fixes the following issues:

* CVE-2025-32049: denial of Service attack to websocket server (bsc#1240751).

* CVE-2026-2369: buffer overread due to integer underflow when handling zero-

length resources (bsc#1258120).

* CVE-2026-2443: out-of-bounds read when processing specially crafted HTTP

Range headers can lead to heap information disclosure to remote attackers

(bsc#1258170).

* CVE-2026-2708: HTTP request smuggling via duplicate Content-Length headers

(bsc#1258508).

Topics%20covered

Topics Covered

security advisory denial of service important OpenSUSE buffer overread libsoup2

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-2026-657=1 openSUSE-SLE-15.6-2026-657=1

* Basesystem Module 15-SP7

zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-657=1

* SUSE Linux Enterprise Server 15 SP6 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-657=1

* SUSE Linux Enterprise Server for SAP Applications 15 SP6

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-657=1

Package List

* openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64 i586)

* libsoup-2_4-1-debuginfo-2.74.3-150600.4.27.1

* libsoup2-devel-2.74.3-150600.4.27.1

* typelib-1_0-Soup-2_4-2.74.3-150600.4.27.1

* libsoup2-debugsource-2.74.3-150600.4.27.1

* libsoup-2_4-1-2.74.3-150600.4.27.1

* openSUSE Leap 15.6 (x86_64)

* libsoup-2_4-1-32bit-debuginfo-2.74.3-150600.4.27.1

* libsoup-2_4-1-32bit-2.74.3-150600.4.27.1

* libsoup2-devel-32bit-2.74.3-150600.4.27.1

* openSUSE Leap 15.6 (noarch)

* libsoup2-lang-2.74.3-150600.4.27.1

* openSUSE Leap 15.6 (aarch64_ilp32)

* libsoup-2_4-1-64bit-debuginfo-2.74.3-150600.4.27.1

* libsoup-2_4-1-64bit-2.74.3-150600.4.27.1

* libsoup2-devel-64bit-2.74.3-150600.4.27.1

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

* libsoup-2_4-1-debuginfo-2.74.3-150600.4.27.1

* libsoup2-devel-2.74.3-150600.4.27.1

* typelib-1_0-Soup-2_4-2.74.3-150600.4.27.1

* libsoup2-debugsource-2.74.3-150600.4.27.1

* libsoup-2_4-1-2.74.3-150600.4.27.1

* Basesystem Module 15-SP7 (noarch)

* libsoup2-lang-2.74.3-150600.4.27.1

*...

Read the Full Advisory

References

* bsc#1240751

* bsc#1258120

* bsc#1258170

* bsc#1258508

## References:

* https://www.suse.com/security/cve/CVE-2025-32049.html

* https://www.suse.com/security/cve/CVE-2026-2369.html

* https://www.suse.com/security/cve/CVE-2026-2443.html

* https://www.suse.com/security/cve/CVE-2026-2708.html

* https://bugzilla.suse.com/show_bug.cgi?id=1240751

* https://bugzilla.suse.com/show_bug.cgi?id=1258120

* https://bugzilla.suse.com/show_bug.cgi?id=1258170

* https://bugzilla.suse.com/show_bug.cgi?id=1258508

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:0657-1
Release Date: 2026-02-26T15:07:21Z
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

Topics%20covered

Topics Covered

security advisory denial of service important OpenSUSE buffer overread libsoup2

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