Security update for libsoup

Announcement ID:	SUSE-SU-2026:0579-1
Release Date:	2026-02-19T11:38:02Z
Rating:	important
References:	bsc#1257440 bsc#1257598
Cross-References:	CVE-2026-1536 CVE-2026-1761
CVSS scores:	CVE-2026-1536 ( SUSE ): 7.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N CVE-2026-1536 ( SUSE ): 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N CVE-2026-1536 ( NVD ): 5.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N CVE-2026-1761 ( SUSE ): 9.2 CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVE-2026-1761 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2026-1761 ( NVD ): 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
Affected Products:	openSUSE Leap 15.4 SUSE Linux Enterprise High Performance Computing 15 SP4 SUSE Linux Enterprise High Performance Computing 15 SP5 SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 SUSE Linux Enterprise Server 15 SP4 SUSE Linux Enterprise Server 15 SP4 LTSS SUSE Linux Enterprise Server 15 SP5 SUSE Linux Enterprise Server 15 SP5 LTSS SUSE Linux Enterprise Server for SAP Applications 15 SP4 SUSE Linux Enterprise Server for SAP Applications 15 SP5

An update that solves two vulnerabilities can now be installed.

Description:

This update for libsoup fixes the following issues:

• CVE-2026-1536: Always validate the headers value when coming from untrusted source to avoid HTTP header injection (bsc#1257440).
• CVE-2026-1761: Check length of bytes read in soup_filter_input_stream_read_until to avoid a stack-based buffer overflow (bsc#1257598).

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 Enterprise High Performance Computing LTSS 15 SP4
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-579=1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-579=1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-579=1
• SUSE Linux Enterprise Server 15 SP4 LTSS
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-579=1
• SUSE Linux Enterprise Server 15 SP5 LTSS
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-579=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP4
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-579=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP5
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-579=1
• openSUSE Leap 15.4
  zypper in -t patch SUSE-2026-579=1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-579=1

Package List:

• SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64 x86_64)
  • typelib-1_0-Soup-3_0-3.0.4-150400.3.31.1
  • libsoup-devel-3.0.4-150400.3.31.1
  • libsoup-3_0-0-debuginfo-3.0.4-150400.3.31.1
  • libsoup-debugsource-3.0.4-150400.3.31.1
  • libsoup-3_0-0-3.0.4-150400.3.31.1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (noarch)
  • libsoup-lang-3.0.4-150400.3.31.1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64 x86_64)
  • typelib-1_0-Soup-3_0-3.0.4-150400.3.31.1
  • libsoup-devel-3.0.4-150400.3.31.1
  • libsoup-3_0-0-debuginfo-3.0.4-150400.3.31.1
  • libsoup-debugsource-3.0.4-150400.3.31.1
  • libsoup-3_0-0-3.0.4-150400.3.31.1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (noarch)
  • libsoup-lang-3.0.4-150400.3.31.1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64 x86_64)
  • typelib-1_0-Soup-3_0-3.0.4-150400.3.31.1
  • libsoup-devel-3.0.4-150400.3.31.1
  • libsoup-3_0-0-debuginfo-3.0.4-150400.3.31.1
  • libsoup-debugsource-3.0.4-150400.3.31.1
  • libsoup-3_0-0-3.0.4-150400.3.31.1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (noarch)
  • libsoup-lang-3.0.4-150400.3.31.1
• SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
  • typelib-1_0-Soup-3_0-3.0.4-150400.3.31.1
  • libsoup-devel-3.0.4-150400.3.31.1
  • libsoup-3_0-0-debuginfo-3.0.4-150400.3.31.1
  • libsoup-debugsource-3.0.4-150400.3.31.1
  • libsoup-3_0-0-3.0.4-150400.3.31.1
• SUSE Linux Enterprise Server 15 SP4 LTSS (noarch)
  • libsoup-lang-3.0.4-150400.3.31.1
• SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
  • typelib-1_0-Soup-3_0-3.0.4-150400.3.31.1
  • libsoup-devel-3.0.4-150400.3.31.1
  • libsoup-3_0-0-debuginfo-3.0.4-150400.3.31.1
  • libsoup-debugsource-3.0.4-150400.3.31.1
  • libsoup-3_0-0-3.0.4-150400.3.31.1
• SUSE Linux Enterprise Server 15 SP5 LTSS (noarch)
  • libsoup-lang-3.0.4-150400.3.31.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
  • typelib-1_0-Soup-3_0-3.0.4-150400.3.31.1
  • libsoup-devel-3.0.4-150400.3.31.1
  • libsoup-3_0-0-debuginfo-3.0.4-150400.3.31.1
  • libsoup-debugsource-3.0.4-150400.3.31.1
  • libsoup-3_0-0-3.0.4-150400.3.31.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP4 (noarch)
  • libsoup-lang-3.0.4-150400.3.31.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
  • typelib-1_0-Soup-3_0-3.0.4-150400.3.31.1
  • libsoup-devel-3.0.4-150400.3.31.1
  • libsoup-3_0-0-debuginfo-3.0.4-150400.3.31.1
  • libsoup-debugsource-3.0.4-150400.3.31.1
  • libsoup-3_0-0-3.0.4-150400.3.31.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP5 (noarch)
  • libsoup-lang-3.0.4-150400.3.31.1
• openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64 i586)
  • typelib-1_0-Soup-3_0-3.0.4-150400.3.31.1
  • libsoup-devel-3.0.4-150400.3.31.1
  • libsoup-3_0-0-debuginfo-3.0.4-150400.3.31.1
  • libsoup-debugsource-3.0.4-150400.3.31.1
  • libsoup-3_0-0-3.0.4-150400.3.31.1
• openSUSE Leap 15.4 (x86_64)
  • libsoup-3_0-0-32bit-3.0.4-150400.3.31.1
  • libsoup-devel-32bit-3.0.4-150400.3.31.1
  • libsoup-3_0-0-32bit-debuginfo-3.0.4-150400.3.31.1
• openSUSE Leap 15.4 (noarch)
  • libsoup-lang-3.0.4-150400.3.31.1
• openSUSE Leap 15.4 (aarch64_ilp32)
  • libsoup-3_0-0-64bit-debuginfo-3.0.4-150400.3.31.1
  • libsoup-3_0-0-64bit-3.0.4-150400.3.31.1
  • libsoup-devel-64bit-3.0.4-150400.3.31.1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64 x86_64)
  • typelib-1_0-Soup-3_0-3.0.4-150400.3.31.1
  • libsoup-devel-3.0.4-150400.3.31.1
  • libsoup-3_0-0-debuginfo-3.0.4-150400.3.31.1
  • libsoup-debugsource-3.0.4-150400.3.31.1
  • libsoup-3_0-0-3.0.4-150400.3.31.1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (noarch)
  • libsoup-lang-3.0.4-150400.3.31.1

References:

• https://www.suse.com/security/cve/CVE-2026-1536.html
• https://www.suse.com/security/cve/CVE-2026-1761.html
• https://bugzilla.suse.com/show_bug.cgi?id=1257440
• https://bugzilla.suse.com/show_bug.cgi?id=1257598