Access of Resource Using Incompatible Type ('Type Confusion') Affecting lasso package, versions [,2.9.0)


Severity

Recommended
0.0
critical
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of Concept

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  • Snyk IDSNYK-UNMANAGED-LASSO-13843664
  • published6 Nov 2025
  • disclosed5 Nov 2025
  • creditKeane O'Kelley

Introduced: 5 Nov 2025

NewCVE-2025-47151  (opens in a new tab)
CWE-843  (opens in a new tab)

How to fix?

Upgrade lasso to version 2.9.0 or higher.

Overview

Affected versions of this package are vulnerable to Access of Resource Using Incompatible Type ('Type Confusion') in the lasso_node_impl_init_from_xml() function. An attacker can execute arbitrary code by sending a specially crafted malformed SAML response that can lead to type confusion during the g_hash_table_insert operation.

CVSS Base Scores

version 4.0
version 3.1