openSUSE libsoup2 Vulnerability Advisory SUSE-SU-2026-0845

This update for libsoup2 fixes the following issues: * CVE-2025-32049: denial of service attack to websocket server (bsc#1240751). * CVE-2026-1467: lack of input sanitization can lead to unintended or unauthorized HTTP requests (bsc#1257398). * CVE-2026-1539: proxy authentication credentials leaked via the Proxy- Authorization header when handling HTTP redirects (bsc#1257441). * CVE-2026-1760: improper handling of HTTP requests combining certain headers by SoupServer can lead to HTTP request smuggling and potential DoS (bsc#1257597). * 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).

## 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 15.4 zypper in -t patch SUSE-2026-834=1 * SUSE Linux Enterprise Micro for Rancher 5.3 zypper in -t patch SUSE-SLE-Micro-5.3-2026-834=1 * SUSE Linux Enterprise Micro 5.3 zypper in -t patch SUSE-SLE-Micro-5.3-2026-834=1 * SUSE Linux Enterprise Micro for Rancher 5.4 zypper in -t patch SUSE-SLE-Micro-5.4-2026-834=1 * SUSE Linux Enterprise Micro 5.4 zypper in -t patch SUSE-SLE-Micro-5.4-2026-834=1 * SUSE Linux Enterprise Micro 5.5 zypper in -t patch SUSE-SLE-Micro-5.5-2026-834=1 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-834=1 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 zypper in -t patch Read the Full Advisory

## 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:

zypper in -t patch SUSE-2026-834=1

* SUSE Linux Enterprise Micro for Rancher 5.3

zypper in -t patch SUSE-SLE-Micro-5.3-2026-834=1

* SUSE Linux Enterprise Micro 5.3

zypper in -t patch SUSE-SLE-Micro-5.3-2026-834=1

* SUSE Linux Enterprise Micro for Rancher 5.4

zypper in -t patch SUSE-SLE-Micro-5.4-2026-834=1

* SUSE Linux Enterprise Micro 5.4

zypper in -t patch SUSE-SLE-Micro-5.4-2026-834=1

* SUSE Linux Enterprise Micro 5.5

zypper in -t patch SUSE-SLE-Micro-5.5-2026-834=1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-834=1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4

* openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64 i586) * libsoup-2_4-1-2.74.2-150400.3.31.1 * libsoup2-devel-2.74.2-150400.3.31.1 * libsoup-2_4-1-debuginfo-2.74.2-150400.3.31.1 * libsoup2-debugsource-2.74.2-150400.3.31.1 * typelib-1_0-Soup-2_4-2.74.2-150400.3.31.1 * openSUSE Leap 15.4 (x86_64) * libsoup-2_4-1-32bit-2.74.2-150400.3.31.1 * libsoup-2_4-1-32bit-debuginfo-2.74.2-150400.3.31.1 * libsoup2-devel-32bit-2.74.2-150400.3.31.1 * openSUSE Leap 15.4 (noarch) * libsoup2-lang-2.74.2-150400.3.31.1 * openSUSE Leap 15.4 (aarch64_ilp32) * libsoup-2_4-1-64bit-debuginfo-2.74.2-150400.3.31.1 * libsoup-2_4-1-64bit-2.74.2-150400.3.31.1 * libsoup2-devel-64bit-2.74.2-150400.3.31.1 * SUSE Linux Enterprise Micro for Rancher 5.3 (aarch64 s390x x86_64) * libsoup2-debugsource-2.74.2-150400.3.31.1 * libsoup-2_4-1-2.74.2-150400.3.31.1 * libsoup-2_4-1-debuginfo-2.74.2-150400.3.31.1 * SUSE Linux Enterprise Micro 5.3 (aarch64 s390x Read the Full Advisory

* openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64 i586)

* libsoup-2_4-1-2.74.2-150400.3.31.1

* libsoup2-devel-2.74.2-150400.3.31.1

* libsoup-2_4-1-debuginfo-2.74.2-150400.3.31.1

* libsoup2-debugsource-2.74.2-150400.3.31.1

* typelib-1_0-Soup-2_4-2.74.2-150400.3.31.1

* openSUSE Leap 15.4 (x86_64)

* libsoup-2_4-1-32bit-2.74.2-150400.3.31.1

* libsoup-2_4-1-32bit-debuginfo-2.74.2-150400.3.31.1

* libsoup2-devel-32bit-2.74.2-150400.3.31.1

* openSUSE Leap 15.4 (noarch)

* libsoup2-lang-2.74.2-150400.3.31.1

* openSUSE Leap 15.4 (aarch64_ilp32)

* libsoup-2_4-1-64bit-debuginfo-2.74.2-150400.3.31.1

* libsoup-2_4-1-64bit-2.74.2-150400.3.31.1

* libsoup2-devel-64bit-2.74.2-150400.3.31.1

* SUSE Linux Enterprise Micro for Rancher 5.3 (aarch64 s390x x86_64)

* libsoup2-debugsource-2.74.2-150400.3.31.1

* libsoup-2_4-1-2.74.2-150400.3.31.1

* libsoup-2_4-1-debuginfo-2.74.2-150400.3.31.1

* SUSE Linux Enterprise Micro 5.3 (aarch64 s390x

* bsc#1240751 * bsc#1257398 * bsc#1257441 * bsc#1257597 * bsc#1258120 * bsc#1258170 * bsc#1258508 ## References: * * * * * * * * * * * * * *

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