Reachable assertion in Lasso - CVE-2025-46705

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Main Vulnerability Database Vulnerabilities #VU118159

Reachable assertion in Lasso - CVE-2025-46705

Published: November 6, 2025


Vulnerability identifier: #VU118159
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-46705
CWE-ID: CWE-617
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 a reachable assertion in the g_assert_not_reached functionality. A remote attacker can use a specially crafted SAML assertion response and cause a denial of service (DoS) attack.


Affected software

Lasso
Debian Linux
SUSE Manager Server 4.3
SUSE Linux Enterprise Server 15 SP3
SUSE Linux Enterprise Server 15 SP4
SUSE Linux Enterprise Server 15 SP5
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Manager Proxy 4.3
SUSE Manager Retail Branch Server 4.3
SUSE Linux Enterprise Server 12 SP5
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Desktop 15
SUSE Manager Server
SUSE Manager Retail Branch Server
SUSE Manager Proxy
SUSE Enterprise Storage
Fedora
SUSE Package Hub 15
Server Applications Module
openSUSE Leap
openEuler
Ubuntu
python3-lasso
liblasso3
liblasso-devel
liblasso3-debuginfo
python3-lasso-debuginfo
lasso-debugsource
lasso-debuginfo
lasso-help
lasso-devel
java-lasso
lasso
perl-lasso
lasso (Ubuntu package)
lasso (Debian package)

How to mitigate CVE-2025-46705

Install updates from vendor's website.

Lasso - addressed in versions 2.6.0, 2.9.0
python3-lasso - addressed in versions 2.6.1-8.12.1, 2.6.1-150200.24.1, 2.8.2-150600.3.5.1
liblasso3 - addressed in versions 2.6.1-8.12.1, 2.6.1-150200.24.1, 2.8.2-150600.3.5.1
liblasso-devel - addressed in versions 2.6.1-8.12.1, 2.6.1-150200.24.1, 2.8.2-150600.3.5.1
liblasso3-debuginfo - addressed in versions 2.6.1-150200.24.1, 2.8.2-150600.3.5.1
python3-lasso-debuginfo - addressed in versions 2.6.1-150200.24.1, 2.8.2-150600.3.5.1
lasso-debugsource - addressed in versions 2.6.1-150200.24.1, 2.8.2-150600.3.5.1
lasso-debuginfo - addressed in versions 2.6.1-150200.24.1, 2.8.2-150600.3.5.1
lasso-help - addressed in versions 2.7.0-2, 2.8.2-3
lasso-devel - addressed in versions 2.7.0-2, 2.8.2-3
lasso-debugsource - addressed in versions 2.7.0-2, 2.8.2-3
lasso-debuginfo - addressed in versions 2.7.0-2, 2.8.2-3
java-lasso - update to 2.7.0-2
lasso - addressed in versions 2.7.0-2, 2.8.2-3
perl-lasso - addressed in versions 2.7.0-2, 2.8.2-3
python3-lasso - addressed in versions 2.7.0-2, 2.8.2-3
lasso (Ubuntu package) - addressed in versions 2.7.0-2ubuntu0.1, 2.8.2-2ubuntu0.1, 2.8.2-8ubuntu0.1
lasso (Debian package) - addressed in versions 2.8.1-1+deb12u1, 2.8.2-9+deb13u1
lasso - addressed in versions 2.9.0-1.el10_1, 2.9.0-1.el10_2, 2.9.0-1.fc41, 2.9.0-1.fc42

External References

Related Security Bulletins