Use-after-free in libsoup - CVE-2025-12105

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Main Vulnerability Database Vulnerabilities #VU119965

Use-after-free in libsoup - CVE-2025-12105

Published: December 15, 2025


Vulnerability identifier: #VU119965
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-2025-12105
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to a use-after-free error in the queue item management logic. A remote attacker can send a specially crafted response to the application and perform a denial of service attack.



Affected software

libsoup
SUSE Manager Retail Branch Server 4.3
SUSE Linux Enterprise Server 15 SP5
SUSE Linux Enterprise Server 15 SP4
SUSE Manager Server 4.3
SUSE Manager Proxy 4.3
SUSE Linux Enterprise Server 15 SP6
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Real Time 15
SUSE Manager Proxy
SUSE Manager Retail Branch Server
SUSE Manager Server
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 for x86_64
Basesystem Module
openSUSE Leap
Ubuntu
Anolis OS
openEuler
Oracle Solaris
typelib-1_0-Soup-3_0
libsoup-3_0-0-64bit
libsoup-devel-64bit
libsoup-3_0-0-64bit-debuginfo
libsoup-devel-32bit
libsoup-3_0-0-32bit
libsoup-3_0-0-32bit-debuginfo
libsoup-lang
libsoup-3_0-0-debuginfo
libsoup-debugsource
libsoup-devel
libsoup-3_0-0
libsoup3 (Ubuntu package)
libsoup3-debugsource
libsoup3-debuginfo
libsoup3-help
libsoup3-devel
libsoup3
libsoup3 (Red Hat package)
libsoup3-doc

How to mitigate CVE-2025-12105

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

typelib-1_0-Soup-3_0 - addressed in versions 3.0.4-150400.3.21.1, 3.4.4-150600.3.21.1
libsoup-3_0-0-64bit - addressed in versions 3.0.4-150400.3.21.1, 3.4.4-150600.3.21.1
libsoup-devel-64bit - addressed in versions 3.0.4-150400.3.21.1, 3.4.4-150600.3.21.1
libsoup-3_0-0-64bit-debuginfo - addressed in versions 3.0.4-150400.3.21.1, 3.4.4-150600.3.21.1
libsoup-devel-32bit - addressed in versions 3.0.4-150400.3.21.1, 3.4.4-150600.3.21.1
libsoup-3_0-0-32bit - addressed in versions 3.0.4-150400.3.21.1, 3.4.4-150600.3.21.1
libsoup-3_0-0-32bit-debuginfo - addressed in versions 3.0.4-150400.3.21.1, 3.4.4-150600.3.21.1
libsoup-lang - addressed in versions 3.0.4-150400.3.21.1, 3.4.4-150600.3.21.1
libsoup-3_0-0-debuginfo - addressed in versions 3.0.4-150400.3.21.1, 3.4.4-150600.3.21.1
libsoup-debugsource - addressed in versions 3.0.4-150400.3.21.1, 3.4.4-150600.3.21.1
libsoup-devel - addressed in versions 3.0.4-150400.3.21.1, 3.4.4-150600.3.21.1
libsoup-3_0-0 - addressed in versions 3.0.4-150400.3.21.1, 3.4.4-150600.3.21.1
libsoup3 (Ubuntu package) - addressed in versions 3.0.7-0ubuntu1+esm6, 3.4.4-5ubuntu0.6, 3.6.5-1ubuntu0.3, 3.6.5-4ubuntu0.1
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-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 3.4.4-17, 3.4.5-13
libsoup3 (Red Hat package) - addressed in versions 3.6.5-3.el10_0.10, 3.6.5-3.el10_1.7
libsoup3-doc - update to 3.6.5-6
libsoup3-devel - update to 3.6.5-6
libsoup3 - update to 3.6.5-6
Oracle Solaris - addressed in versions 11.3 ESU 36.35, 11.4 SRU 89

External References

Related Security Bulletins