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Fencer Vulns
critical 9.8

CVE-2025-47151 json

A type confusion vulnerability exists in the lasso_node_impl_init_from_xml functionality of Entr'ouvert Lasso 2.5.1 and 2.8.2.

published 2025-11-05 12 mo ago modified 2026-10-18 21 d ago also EUVD-2025-37768

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 65%
public exploits
0
none known

Summary

A type confusion vulnerability exists in the lasso_node_impl_init_from_xml functionality of Entr'ouvert Lasso 2.5.1 and 2.8.2. A specially crafted SAML response can lead to an arbitrary code execution. An attacker can send a malformed SAML response to trigger this vulnerability.

Patch / fix

  • lasso Debian 12 2.8.1-1+deb12u1
  • lasso Debian 13 2.8.2-9+deb13u1
  • lasso Debian 14 2.9.0-1

debian advisories DEBIAN-CVE-2025-47151

  • lasso Ubuntu 22.04 LTS 2.7.0-2ubuntu0.1
  • lasso Ubuntu 24.04 LTS 2.8.2-2ubuntu0.1

ubuntu advisories UBUNTU-CVE-2025-47151

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • lasso RHEL 8 2.6.0-14.el8_10
  • python3-lasso RHEL 8 2.6.0-14.el8_10
  • lasso RHEL 9 2.7.0-11.el9_7.3
  • python3-lasso RHEL 9 2.7.0-11.el9_7.3
  • lasso RHEL 9.6 EUS 2.7.0-11.el9_6.2
  • python3-lasso RHEL 9.6 EUS 2.7.0-11.el9_6.2
  • lasso RHEL 9.2 E4S 2.7.0-11.el9_2.1
  • python3-lasso RHEL 9.2 E4S 2.7.0-11.el9_2.1

red hat advisories RHSA-2025:21628RHSA-2025:21452RHSA-2025:21462RHSA-2025:21406RHSA-2025:21404RHSA-2025:21405

  • lasso SLES for SAP applications 16.0, SLES 16.0 2.8.2-160000.3.1
  • lasso SLES for SAP 15 SP5, SLES for SAP 15 SP4, SLES for SAP 15 SP3 +11 more 2.6.1-150200.24.1
  • lasso SLE Module for Server Applications 15 SP7, SLE Module for Server Applications 15 SP6, SLE Module for Package Hub 15 SP7 +2 more 2.8.2-150600.3.5.1
  • lasso SLES LTSS Extended Security 12 SP5, SLES 12 SP5-LTSS 2.6.1-8.12.1

suse advisories SUSE-SU-2025:21140-1SUSE-SU-2025:4094-1SUSE-SU-2025:4090-1SUSE-SU-2025:4068-1

  • lasso openSUSE Leap 16.0 2.8.2-160000.3.1

opensuse advisories openSUSE-SU-2025:20083-1

  • lasso AlmaLinux 9 2.7.0-11.el9_7.3
  • python3-lasso AlmaLinux 9 2.7.0-11.el9_7.3
  • lasso AlmaLinux 8 2.6.0-14.el8_10
  • python3-lasso AlmaLinux 8 2.6.0-14.el8_10

almalinux advisories ALSA-2025:21462ALSA-2025:21628

  • lasso Rocky Linux 9 2.7.0-11.el9_7.3
  • lasso Rocky Linux 8 2.6.0-14.el8_10

rocky linux advisories RLSA-2025:21462RLSA-2025:21628

  • lasso Azure Linux 3.0 2.9.0-1

azure linux advisories AZL-69850

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2025-47151 updated cvss 9.8

lasso: Type confusion in Entr'ouvert Lasso

  • Red Hat Enterprise Linux 6 lasso, lasso-python
    affected: workaround, no fix planned “Out of support scope”
  • Red Hat CodeReady Linux Builder EUS (v.9.4) lasso-devel 2.7.0-11.el9_4.1, lasso-debuginfo 2.7.0-11.el9_4.1, lasso-debugsource 2.7.0-11.el9_4.1, perl-lasso-debuginfo 2.7.0-11.el9_4.1, python3-lasso-debuginfo 2.7.0-11.el9_4.1
    fixed: vendor fix RHSA-2025:21403
  • Red Hat CodeReady Linux Builder EUS (v.9.6) lasso-devel 2.7.0-11.el9_6.2, lasso-debuginfo 2.7.0-11.el9_6.2, lasso-debugsource 2.7.0-11.el9_6.2, perl-lasso-debuginfo 2.7.0-11.el9_6.2, python3-lasso-debuginfo 2.7.0-11.el9_6.2
    fixed: vendor fix RHSA-2025:21452
  • Red Hat Enterprise Linux AppStream (v. 8) lasso 2.6.0-14.el8_10, python3-lasso 2.6.0-14.el8_10
    fixed: vendor fix RHSA-2025:21628
  • Red Hat Enterprise Linux AppStream (v. 9) lasso 2.7.0-11.el9_7.3, python3-lasso 2.7.0-11.el9_7.3
    fixed: vendor fix RHSA-2025:21462
  • Red Hat Enterprise Linux AppStream AUS (v. 8.2) lasso 2.6.0-8.el8_2.1
    fixed: vendor fix RHSA-2025:21399
  • Red Hat Enterprise Linux AppStream AUS (v.8.4) lasso 2.6.0-8.el8_4.1
    fixed: vendor fix RHSA-2025:21402
  • Red Hat Enterprise Linux AppStream AUS (v.8.6) lasso 2.6.0-12.el8_6.1 Red Hat Enterprise Linux AppStream E4S (v.8.6) lasso 2.6.0-12.el8_6.1
    fixed: vendor fix RHSA-2025:21401
show 11 more
  • Red Hat Enterprise Linux AppStream E4S (v.8.8) lasso 2.6.0-13.el8_8.1, python3-lasso 2.6.0-13.el8_8.1
    fixed: vendor fix RHSA-2025:21400
  • Red Hat Enterprise Linux AppStream E4S (v.9.0) lasso 2.7.0-9.el9_0.1
    fixed: vendor fix RHSA-2025:21405
  • Red Hat Enterprise Linux AppStream E4S (v.9.2) lasso 2.7.0-11.el9_2.1, python3-lasso 2.7.0-11.el9_2.1
    fixed: vendor fix RHSA-2025:21406
  • Red Hat Enterprise Linux AppStream EUS (v.9.4) lasso 2.7.0-11.el9_4.1, python3-lasso 2.7.0-11.el9_4.1
    fixed: vendor fix RHSA-2025:21403
  • Red Hat Enterprise Linux AppStream EUS (v.9.6) lasso 2.7.0-11.el9_6.2, python3-lasso 2.7.0-11.el9_6.2
    fixed: vendor fix RHSA-2025:21452
  • Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) lasso 2.6.0-8.el8_4.1
    fixed: vendor fix RHSA-2025:21402
  • Red Hat Enterprise Linux AppStream TUS (v.8.6) lasso 2.6.0-12.el8_6.1
    fixed: vendor fix RHSA-2025:21401
  • Red Hat Enterprise Linux AppStream TUS (v.8.8) lasso 2.6.0-13.el8_8.1, python3-lasso 2.6.0-13.el8_8.1
    fixed: vendor fix RHSA-2025:21400
  • Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) lasso-devel 2.7.0-11.el9_7.3, lasso-debuginfo 2.7.0-11.el9_7.3, lasso-debugsource 2.7.0-11.el9_7.3, perl-lasso-debuginfo 2.7.0-11.el9_7.3, python3-lasso-debuginfo 2.7.0-11.el9_7.3
    fixed: vendor fix RHSA-2025:21462
  • Red Hat Enterprise Linux CRB (v. 8) lasso-devel 2.6.0-14.el8_10, lasso-debuginfo 2.6.0-14.el8_10, lasso-debugsource 2.6.0-14.el8_10, java-lasso-debuginfo 2.6.0-14.el8_10, perl-lasso-debuginfo 2.6.0-14.el8_10, python3-lasso-debuginfo 2.6.0-14.el8_10
    fixed: vendor fix RHSA-2025:21628
  • Red Hat Enterprise Linux Server (v. 7 ELS) lasso 2.5.1-8.el7_9.1, lasso-python 2.5.1-8.el7_9.1 Red Hat Enterprise Linux Server Optional (v. 7 ELS) lasso-devel 2.5.1-8.el7_9.1, lasso-debuginfo 2.5.1-8.el7_9.1
    fixed: vendor fix RHSA-2025:21404

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
12 mo ago

Exploit prediction

1.09% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • talosintelligence.com https://talosintelligence.com/vulnerability_reports/TALOS-2025-2193 referenced PoC, tagged "exploit" by a source, unverified
  • talosintelligence.com https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2193 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Entr'ouvert Lasso

Classification

Weakness
  • CWE-843 Access of Resource Using Incompatible Type

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.