NULL Pointer Dereference Affecting lasso package, versions [,2.9.0)
Threat Intelligence
Exploit Maturity
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- published6 Nov 2025
- disclosed5 Nov 2025
- creditKeane O'Kelley
Introduced: 5 Nov 2025
NewCVE-2025-46404 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade lasso to version 2.9.0 or higher.
Overview
Affected versions of this package are vulnerable to NULL Pointer Dereference in the lasso_provider_verify_saml_signature() function. An attacker can cause the application to crash or become unresponsive by sending a specially crafted SAML response.