Integer underflow in libsoup - CVE-2025-4948

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Main Vulnerability Database Vulnerabilities #VU109945

Integer underflow in libsoup - CVE-2025-4948

Published: May 29, 2025


Vulnerability identifier: #VU109945
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-4948
CWE-ID: CWE-191
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to integer underflow within the soup_multipart_new_from_message() function when handling multipart messages. A remote attacker can trick the victim into visiting a specially crafted website, trigger an integer underflow and crash the application.


Affected software

libsoup
SUSE Linux Enterprise Server 12 SP5
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise Server 15 SP5
SUSE Linux Enterprise Server 15 SP4
SUSE Linux Enterprise Server 15 SP3
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Real Time 15
SUSE Manager Server
SUSE Manager Retail Branch Server
SUSE Manager Proxy
SUSE Linux Enterprise Micro for Rancher
SUSE Linux Enterprise Micro
Anolis OS
SUSE Enterprise Storage
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Basesystem Module
openSUSE Leap
Ubuntu
openEuler
Fedora
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
libsoup2.4 (Ubuntu package)
libsoup-lang
libsoup-devel
libsoup-2_4-1
libsoup-2_4-1-debuginfo-32bit
libsoup-2_4-1-32bit
libsoup-2_4-1-debuginfo
libsoup-debugsource
typelib-1_0-Soup-2_4
libsoup (Red Hat package)
libsoup
libsoup-doc
libsoup2-lang
libsoup-2_4-1-64bit
libsoup2-devel-64bit
libsoup-2_4-1-64bit-debuginfo
libsoup-2_4-1-32bit-debuginfo
libsoup2-debugsource
libsoup2-devel-32bit
libsoup2-devel
libsoup-debuginfo
libsoup-help
mingw-libsoup
libsoup-3_0-0
libsoup-3_0-0-64bit-debuginfo
libsoup-3_0-0-64bit
libsoup-devel-64bit
libsoup-devel-32bit
libsoup-3_0-0-32bit
libsoup-3_0-0-32bit-debuginfo
libsoup-3_0-0-debuginfo
typelib-1_0-Soup-3_0
libsoup3
libsoup3-debugsource
libsoup3-devel
libsoup3-help
libsoup3-debuginfo
libsoup3-doc
libsoup3 (Red Hat package)
Total Storage Service Console (TSSC) / TS4500 IMC
IBM Power Hardware Management Console (HMC)
IBM Cloud Pak for Multicloud Management
Red Hat OpenShift Container Platform
IBM App Connect Enterprise

How to mitigate CVE-2025-4948

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

IBM Power Hardware Management Console (HMC) - addressed in versions 10.3.1060.0 SP2, 11.1.1110.0
IBM Cloud Pak for Multicloud Management - update to 2.3 Fix Pack 12
libsoup2.4 (Ubuntu package) - addressed in versions 2.52.2-1ubuntu0.3+esm5, 2.62.1-1ubuntu0.4+esm6, 2.70.0-1ubuntu0.5+esm1, 2.74.2-3ubuntu0.6, 2.74.3-6ubuntu1.6, 2.74.3-10ubuntu0.4, 3.0.7-0ubuntu1+esm5, 3.4.4-5ubuntu0.5, 3.6.5-1ubuntu0.2
libsoup-lang - addressed in versions 2.62.2-5.15.1, 2.68.4-150200.4.9.1, 3.0.4-150400.3.10.1, 3.4.4-150600.3.10.1
libsoup-devel - addressed in versions 2.62.2-5.15.1, 2.68.4-150200.4.9.1, 3.0.4-150400.3.10.1, 3.4.4-150600.3.10.1
libsoup-2_4-1 - addressed in versions 2.62.2-5.15.1, 2.68.4-150200.4.9.1, 2.74.2-150400.3.9.1, 2.74.3-150600.4.9.1
libsoup-2_4-1-debuginfo-32bit - update to 2.62.2-5.15.1
libsoup-2_4-1-32bit - addressed in versions 2.62.2-5.15.1, 2.74.2-150400.3.9.1, 2.74.3-150600.4.9.1
libsoup-2_4-1-debuginfo - addressed in versions 2.62.2-5.15.1, 2.68.4-150200.4.9.1, 2.74.2-150400.3.9.1, 2.74.3-150600.4.9.1
libsoup-debugsource - addressed in versions 2.62.2-5.15.1, 2.68.4-150200.4.9.1, 3.0.4-150400.3.10.1, 3.4.4-150600.3.10.1
typelib-1_0-Soup-2_4 - addressed in versions 2.62.2-5.15.1, 2.68.4-150200.4.9.1, 2.74.2-150400.3.9.1, 2.74.3-150600.4.9.1
libsoup (Red Hat package) - addressed in versions 2.62.2-6.el7_9, 2.62.2-9.el7_9, 2.62.3-1.el8_2.5, 2.62.3-2.el8_4.5, 2.62.3-2.el8_6.5, 2.62.3-3.el8_8.5, 2.62.3-9.el8_10, 2.72.0-8.el9_0.5, 2.72.0-8.el9_2.5, 2.72.0-8.el9_4.5, 2.72.0-10.el9_6.2
libsoup - addressed in versions 2.62.2-7, 2.62.2-9, 2.62.3-9.0.1, 2.74.3-15
libsoup-devel - addressed in versions 2.62.2-7, 2.62.2-9, 2.62.3-9.0.1, 2.74.3-15
libsoup-doc - addressed in versions 2.62.3-9.0.1, 2.74.3-15
libsoup2-lang - addressed in versions 2.74.2-150400.3.9.1, 2.74.3-150600.4.9.1
libsoup-2_4-1-64bit - addressed in versions 2.74.2-150400.3.9.1, 2.74.3-150600.4.9.1
libsoup2-devel-64bit - addressed in versions 2.74.2-150400.3.9.1, 2.74.3-150600.4.9.1
libsoup-2_4-1-64bit-debuginfo - addressed in versions 2.74.2-150400.3.9.1, 2.74.3-150600.4.9.1
libsoup-2_4-1-32bit-debuginfo - addressed in versions 2.74.2-150400.3.9.1, 2.74.3-150600.4.9.1
libsoup2-debugsource - addressed in versions 2.74.2-150400.3.9.1, 2.74.3-150600.4.9.1
libsoup2-devel-32bit - addressed in versions 2.74.2-150400.3.9.1, 2.74.3-150600.4.9.1
libsoup2-devel - addressed in versions 2.74.2-150400.3.9.1, 2.74.3-150600.4.9.1
libsoup-devel - update to 2.74.3-10
libsoup - update to 2.74.3-10
libsoup-debuginfo - update to 2.74.3-10
libsoup-debugsource - update to 2.74.3-10
libsoup-help - update to 2.74.3-10
mingw-libsoup - addressed in versions 2.74.3-12.fc41, 2.74.3-12.fc42
libsoup-3_0-0 - addressed in versions 3.0.4-150400.3.10.1, 3.4.4-150600.3.10.1
libsoup-3_0-0-64bit-debuginfo - addressed in versions 3.0.4-150400.3.10.1, 3.4.4-150600.3.10.1
libsoup-3_0-0-64bit - addressed in versions 3.0.4-150400.3.10.1, 3.4.4-150600.3.10.1
libsoup-devel-64bit - addressed in versions 3.0.4-150400.3.10.1, 3.4.4-150600.3.10.1
libsoup-devel-32bit - addressed in versions 3.0.4-150400.3.10.1, 3.4.4-150600.3.10.1
libsoup-3_0-0-32bit - addressed in versions 3.0.4-150400.3.10.1, 3.4.4-150600.3.10.1
libsoup-3_0-0-32bit-debuginfo - addressed in versions 3.0.4-150400.3.10.1, 3.4.4-150600.3.10.1
libsoup-3_0-0-debuginfo - addressed in versions 3.0.4-150400.3.10.1, 3.4.4-150600.3.10.1
typelib-1_0-Soup-3_0 - addressed in versions 3.0.4-150400.3.10.1, 3.4.4-150600.3.10.1
libsoup3 - addressed in versions 3.4.4-17, 3.4.5-13
libsoup3-debugsource - addressed in versions 3.4.4-17, 3.4.5-13
libsoup3-devel - addressed in versions 3.4.4-17, 3.4.5-13
libsoup3-help - addressed in versions 3.4.4-17, 3.4.5-13
libsoup3-debuginfo - addressed in versions 3.4.4-17, 3.4.5-13
libsoup3-doc - update to 3.6.5-2
libsoup3-devel - update to 3.6.5-2
libsoup3 - update to 3.6.5-2
libsoup3 - addressed in versions 3.6.5-2.fc41, 3.6.5-2.fc42
libsoup3 (Red Hat package) - update to 3.6.5-3.el10_0.6
Red Hat OpenShift Container Platform - addressed in versions 4.17.32, 4.18.16
IBM App Connect Enterprise - addressed in versions 12.0.12, 12.12.0

External References

Related Security Bulletins