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CVE-2025-46404

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Date: November 5, 2025

A denial of service vulnerability exists in the lasso_provider_verify_saml_signature functionality of Entr'ouvert Lasso 2.5.1. A specially crafted SAML response can lead to a denial of service. An attacker can send a malformed SAML response to trigger this vulnerability.

Severity Score

Related Resources (4)

https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2194
https://nvd.nist.gov/vuln/detail/CVE-2025-46404
https://talosintelligence.com/vulnerability_reports/TALOS-2025-2194
https://www.mend.io/vulnerability-database/CVE-2025-46404

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

Top Fix

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Upgrade Version

Upgrade to version https://git.entrouvert.org/entrouvert/lasso.git - v2.9.0

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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