Denial of Service Vulnerability in Entr'ouvert Lasso Software
CVE-2025-46784

9.6CRITICAL

Key Information:

Vendor

Entr'ouvert

Status
Lasso
Vendor
CVE Published:
5 November 2025

What is CVE-2025-46784?

A vulnerability in the Entr'ouvert Lasso software allows for a denial of service attack through the lasso_node_init_from_message_with_format function. By sending a specially crafted SAML response, an attacker can cause memory depletion, leading to a service disruption. This vulnerability highlights the importance of robust input validation to prevent potential exploitation through malformed data.

Affected Version(s)

Lasso 2.5.1

References

https://talosintelligence.com/vulnerability_reports/TALOS...

CVSS V3.1

Score:
9.6
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Discovered by Keane O'Kelley of and another member of Cisco Advanced Security Initiative Group
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CVE-2025-46784 : Denial of Service Vulnerability in Entr'ouvert Lasso Software