SUSE-SU-2026:5062-1: Security update for libsoup

Published Nov 3, 2026
·
Updated

This update for libsoup fixes the following issue:

- CVE-2026-103399: incomplete request body draining in HTTP/1.x early responses can allow HTTP request smuggling (bsc#1283831).

Other sources

This update for libsoup fixes the following issue: CVE-2026-103399: incomplete request body draining in HTTP/1.x early responses can allow HTTP request smuggling (bsc#1283831).

— SUSE

Affected Software

43 affected componentsFixes available
suse/libsoup<3.4.4-150600.3.62.1
3.4.4-150600.3.62.1
suse/libsoup<3.4.4-150600.3.62.1
3.4.4-150600.3.62.1
suse/libsoup<3.4.4-150600.3.62.1
3.4.4-150600.3.62.1
All of the following
SUSE SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
Any of the following
suse/libsoup<3_0-0-3.4.4-150600.3.62.1
3_0-0-3.4.4-150600.3.62.1
suse/libsoup-devel<3.4.4-150600.3.62.1
3.4.4-150600.3.62.1
suse/typelib<1_0-Soup-3_0-3.4.4-150600.3.62.1
1_0-Soup-3_0-3.4.4-150600.3.62.1
suse/libsoup-debugsource<3.4.4-150600.3.62.1
3.4.4-150600.3.62.1
suse/libsoup<3_0-0-debuginfo-3.4.4-150600.3.62.1
3_0-0-debuginfo-3.4.4-150600.3.62.1
All of the following
SUSE SUSE Linux Enterprise Server for SAP Applications 15 SP6 (noarch)
suse/libsoup-lang<3.4.4-150600.3.62.1
3.4.4-150600.3.62.1
All of the following
SUSE openSUSE Leap 15.6 (aarch64 i586 ppc64le s390x x86_64)
Any of the following
suse/libsoup<3_0-0-3.4.4-150600.3.62.1
3_0-0-3.4.4-150600.3.62.1
suse/libsoup-devel<3.4.4-150600.3.62.1
3.4.4-150600.3.62.1
suse/typelib<1_0-Soup-3_0-3.4.4-150600.3.62.1
1_0-Soup-3_0-3.4.4-150600.3.62.1
suse/libsoup-debugsource<3.4.4-150600.3.62.1
3.4.4-150600.3.62.1
suse/libsoup<3_0-0-debuginfo-3.4.4-150600.3.62.1
3_0-0-debuginfo-3.4.4-150600.3.62.1
All of the following
SUSE openSUSE Leap 15.6 (x86_64)
Any of the following
suse/libsoup<3_0-0-32bit-debuginfo-3.4.4-150600.3.62.1
3_0-0-32bit-debuginfo-3.4.4-150600.3.62.1
suse/libsoup<3_0-0-32bit-3.4.4-150600.3.62.1
3_0-0-32bit-3.4.4-150600.3.62.1
suse/libsoup-devel<32bit-3.4.4-150600.3.62.1
32bit-3.4.4-150600.3.62.1
All of the following
SUSE openSUSE Leap 15.6 (aarch64_ilp32)
Any of the following
suse/libsoup-devel<64bit-3.4.4-150600.3.62.1
64bit-3.4.4-150600.3.62.1
suse/libsoup<3_0-0-64bit-3.4.4-150600.3.62.1
3_0-0-64bit-3.4.4-150600.3.62.1
suse/libsoup<3_0-0-64bit-debuginfo-3.4.4-150600.3.62.1
3_0-0-64bit-debuginfo-3.4.4-150600.3.62.1
All of the following
SUSE openSUSE Leap 15.6 (noarch)
suse/libsoup-lang<3.4.4-150600.3.62.1
3.4.4-150600.3.62.1
All of the following
SUSE Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)
Any of the following
suse/libsoup<3_0-0-3.4.4-150600.3.62.1
3_0-0-3.4.4-150600.3.62.1
suse/libsoup-devel<3.4.4-150600.3.62.1
3.4.4-150600.3.62.1
suse/typelib<1_0-Soup-3_0-3.4.4-150600.3.62.1
1_0-Soup-3_0-3.4.4-150600.3.62.1
suse/libsoup-debugsource<3.4.4-150600.3.62.1
3.4.4-150600.3.62.1
suse/libsoup<3_0-0-debuginfo-3.4.4-150600.3.62.1
3_0-0-debuginfo-3.4.4-150600.3.62.1
All of the following
SUSE Basesystem Module 15-SP7 (noarch)
suse/libsoup-lang<3.4.4-150600.3.62.1
3.4.4-150600.3.62.1
All of the following
SUSE SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
Any of the following
suse/libsoup<3_0-0-3.4.4-150600.3.62.1
3_0-0-3.4.4-150600.3.62.1
suse/libsoup-devel<3.4.4-150600.3.62.1
3.4.4-150600.3.62.1
suse/typelib<1_0-Soup-3_0-3.4.4-150600.3.62.1
1_0-Soup-3_0-3.4.4-150600.3.62.1
suse/libsoup-debugsource<3.4.4-150600.3.62.1
3.4.4-150600.3.62.1
suse/libsoup<3_0-0-debuginfo-3.4.4-150600.3.62.1
3_0-0-debuginfo-3.4.4-150600.3.62.1
All of the following
SUSE SUSE Linux Enterprise Server 15 SP6 LTSS (noarch)
suse/libsoup-lang<3.4.4-150600.3.62.1
3.4.4-150600.3.62.1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade suse/libsoup to a version that resolves this vulnerability.

    Fixed in 3.4.4-150600.3.62.1
  2. Upgrade

    Upgrade suse/libsoup to a version that resolves this vulnerability.

    Fixed in 3_0-0-3.4.4-150600.3.62.1
  3. Upgrade

    Upgrade suse/libsoup-devel to a version that resolves this vulnerability.

    Fixed in 3.4.4-150600.3.62.1
  4. Upgrade

    Upgrade suse/typelib to a version that resolves this vulnerability.

    Fixed in 1_0-Soup-3_0-3.4.4-150600.3.62.1
  5. Upgrade

    Upgrade suse/libsoup-debugsource to a version that resolves this vulnerability.

    Fixed in 3.4.4-150600.3.62.1
  6. Upgrade

    Upgrade suse/libsoup to a version that resolves this vulnerability.

    Fixed in 3_0-0-debuginfo-3.4.4-150600.3.62.1
  7. Upgrade

    Upgrade suse/libsoup-lang to a version that resolves this vulnerability.

    Fixed in 3.4.4-150600.3.62.1
  8. Upgrade

    Upgrade suse/libsoup to a version that resolves this vulnerability.

    Fixed in 3_0-0-32bit-debuginfo-3.4.4-150600.3.62.1
  9. Upgrade

    Upgrade suse/libsoup to a version that resolves this vulnerability.

    Fixed in 3_0-0-32bit-3.4.4-150600.3.62.1
  10. Upgrade

    Upgrade suse/libsoup-devel to a version that resolves this vulnerability.

    Fixed in 32bit-3.4.4-150600.3.62.1
  11. Upgrade

    Upgrade suse/libsoup-devel to a version that resolves this vulnerability.

    Fixed in 64bit-3.4.4-150600.3.62.1
  12. Upgrade

    Upgrade suse/libsoup to a version that resolves this vulnerability.

    Fixed in 3_0-0-64bit-3.4.4-150600.3.62.1
  13. Upgrade

    Upgrade suse/libsoup to a version that resolves this vulnerability.

    Fixed in 3_0-0-64bit-debuginfo-3.4.4-150600.3.62.1
  14. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Patch SUSE-2026-5062
  15. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Patch SUSE-SLE-Module-Basesystem-15-SP7-2026-5062
  16. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-5062
  17. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-5062

Event History

Nov 3, 2026
Advisory Published
via OSV·07:30 AM
Data Sourced
via OSV·07:30 AM
DescriptionAffected Software
Data Sourced
via SUSE·07:30 AM
RemedyDescriptionSeverityAffected Software

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

Which systems and packages are covered by this update?

The advisory covers libsoup and related libsoup-devel, typelib, debugsource, and language packages on SUSE Linux Enterprise Server for SAP Applications 15 SP6 and openSUSE Leap 15.6 for the listed architectures.

2

What type of traffic or behavior is relevant to exploitation?

The issue involves HTTP/1.x early responses where request bodies are not completely drained. The resulting condition can allow HTTP request smuggling.

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