Description
A denial of service vulnerability exists in the lasso_node_init_from_message_with_format functionality of Entr'ouvert Lasso 2.5.1. A specially crafted SAML response can lead to a memory depletion, resulting in denial of service. An attacker can send a malformed SAML response to trigger this vulnerability.
Published: 2025-11-05
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-4397-1 lasso security update
History

Fri, 07 Nov 2025 20:15:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:entrouvert:lasso:2.5.1:*:*:*:*:*:*:*

Fri, 07 Nov 2025 00:15:00 +0000

Type Values Removed Values Added
Title lasso: Memory exhaustion in Entr'ouvert Lasso
References
Metrics threat_severity

None

threat_severity

Moderate


Thu, 06 Nov 2025 10:15:00 +0000

Type Values Removed Values Added
First Time appeared Entrouvert
Entrouvert lasso
Vendors & Products Entrouvert
Entrouvert lasso

Wed, 05 Nov 2025 22:45:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H'}

cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}


Wed, 05 Nov 2025 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 05 Nov 2025 17:30:00 +0000


Wed, 05 Nov 2025 15:15:00 +0000

Type Values Removed Values Added
Description A denial of service vulnerability exists in the lasso_node_init_from_message_with_format functionality of Entr&#39;ouvert Lasso 2.5.1. A specially crafted SAML response can lead to a memory depletion, resulting in denial of service. An attacker can send a malformed SAML response to trigger this vulnerability.
Weaknesses CWE-401
References
Metrics cvssV3_1

{'score': 9.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H'}


Subscriptions

Entrouvert Lasso
cve-icon MITRE

Status: PUBLISHED

Assigner: talos

Published:

Updated: 2025-11-05T22:34:21.323Z

Reserved: 2025-05-07T13:20:21.670Z

Link: CVE-2025-46784

cve-icon Vulnrichment

Updated: 2025-11-05T17:04:18.233Z

cve-icon NVD

Status : Analyzed

Published: 2025-11-05T15:15:39.030

Modified: 2025-11-07T20:01:13.670

Link: CVE-2025-46784

cve-icon Redhat

Severity : Moderate

Publid Date: 2025-11-05T14:56:57Z

Links: CVE-2025-46784 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2025-11-06T10:06:59Z

Weaknesses