Integer overflow in libsoup - CVE-2025-4945

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Main Vulnerability Database Vulnerabilities #VU109946

Integer overflow in libsoup - CVE-2025-4945

Published: May 29, 2025


Vulnerability identifier: #VU109946
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-4945
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow when handling cookies. A remote attacker can trick the victim into visiting a specially crafted website, trigger an integer overflow and execute arbitrary code on the target system.


Affected software

libsoup
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Micro for Rancher
SUSE Linux Enterprise Micro
Anolis OS
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for x86_64 - Extended Update Support
openSUSE Leap
Ubuntu
openEuler
Fedora
Netezza Appliance
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
libsoup2.4 (Ubuntu package)
libsoup-2_4-1-debuginfo
libsoup-2_4-1
libsoup-2_4-1-32bit
libsoup-devel
libsoup-debugsource
typelib-1_0-Soup-2_4
libsoup-2_4-1-debuginfo-32bit
libsoup-lang
libsoup
libsoup (Red Hat package)
libsoup-doc
libsoup-2_4-1-32bit-debuginfo
libsoup2-devel-32bit
libsoup2-devel
libsoup2-debugsource
libsoup2-lang
libsoup-2_4-1-64bit
libsoup-2_4-1-64bit-debuginfo
libsoup2-devel-64bit
mingw-libsoup
libsoup-devel-64bit
typelib-1_0-Soup-3_0
libsoup-3_0-0
libsoup-3_0-0-64bit
libsoup-3_0-0-64bit-debuginfo
libsoup-3_0-0-32bit-debuginfo
libsoup-devel-32bit
libsoup-3_0-0-32bit
libsoup-3_0-0-debuginfo
libsoup3-debugsource
libsoup3-debuginfo
libsoup3
libsoup3-help
libsoup3-devel
libsoup3 (Red Hat package)
libsoup3-doc
IBM Power Hardware Management Console (HMC)
IBM App Connect Enterprise

How to mitigate CVE-2025-4945

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

Netezza Appliance - update to 1.0.1.0 fp278500
IBM Power Hardware Management Console (HMC) - addressed in versions 10.3.1063.1, 11.1.1111.4
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-2_4-1-debuginfo - addressed in versions 2.62.2-5.18.1, 2.74.2-150400.3.12.1
libsoup-2_4-1 - addressed in versions 2.62.2-5.18.1, 2.74.2-150400.3.12.1
libsoup-2_4-1-32bit - addressed in versions 2.62.2-5.18.1, 2.74.2-150400.3.12.1
libsoup-devel - addressed in versions 2.62.2-5.18.1, 3.0.4-150400.3.13.1
libsoup-debugsource - addressed in versions 2.62.2-5.18.1, 3.0.4-150400.3.13.1
typelib-1_0-Soup-2_4 - addressed in versions 2.62.2-5.18.1, 2.74.2-150400.3.12.1
libsoup-2_4-1-debuginfo-32bit - update to 2.62.2-5.18.1
libsoup-lang - addressed in versions 2.62.2-5.18.1, 3.0.4-150400.3.13.1
libsoup - addressed in versions 2.62.2-9, 2.62.3-10.0.1, 2.74.3-19
libsoup-devel - addressed in versions 2.62.2-9, 2.62.3-10.0.1, 2.74.3-19
libsoup (Red Hat package) - addressed in versions 2.62.2-9.el7_9, 2.62.3-1.el8_2.6, 2.62.3-2.el8_4.6, 2.62.3-2.el8_6.6, 2.62.3-3.el8_8.6, 2.62.3-10.el8_10, 2.72.0-8.el9_0.6, 2.72.0-8.el9_2.6, 2.72.0-8.el9_4.6, 2.72.0-12.el9_7.1
libsoup-doc - addressed in versions 2.62.3-10.0.1, 2.74.3-19
libsoup-2_4-1-32bit-debuginfo - update to 2.74.2-150400.3.12.1
libsoup2-devel-32bit - update to 2.74.2-150400.3.12.1
libsoup2-devel - update to 2.74.2-150400.3.12.1
libsoup2-debugsource - update to 2.74.2-150400.3.12.1
libsoup2-lang - update to 2.74.2-150400.3.12.1
libsoup-2_4-1-64bit - update to 2.74.2-150400.3.12.1
libsoup-2_4-1-64bit-debuginfo - update to 2.74.2-150400.3.12.1
libsoup2-devel-64bit - update to 2.74.2-150400.3.12.1
mingw-libsoup - addressed in versions 2.74.3-12.fc41, 2.74.3-12.fc42
libsoup-devel-64bit - update to 3.0.4-150400.3.13.1
typelib-1_0-Soup-3_0 - update to 3.0.4-150400.3.13.1
libsoup-3_0-0 - update to 3.0.4-150400.3.13.1
libsoup-3_0-0-64bit - update to 3.0.4-150400.3.13.1
libsoup-3_0-0-64bit-debuginfo - update to 3.0.4-150400.3.13.1
libsoup-3_0-0-32bit-debuginfo - update to 3.0.4-150400.3.13.1
libsoup-devel-32bit - update to 3.0.4-150400.3.13.1
libsoup-3_0-0-32bit - update to 3.0.4-150400.3.13.1
libsoup-3_0-0-debuginfo - update to 3.0.4-150400.3.13.1
libsoup3-debugsource - 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 - 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-devel - addressed in versions 3.4.4-17, 3.4.5-13
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_1.6
libsoup3-doc - update to 3.6.5-5
libsoup3-devel - update to 3.6.5-5
libsoup3 - update to 3.6.5-5
IBM App Connect Enterprise - addressed in versions 12.0.12, 12.12.0

External References

Related Security Bulletins