Security Advisories›RHSA-2025:21628

RHSA-2025:21628 — Security Advisory

Red Hat Security Advisory: lasso security update

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Severity

Critical

Red Hat Product Security

RHEL 8

Products

Official CSAF product identity

Published · November 18, 2025

Updated · July 12, 2026

Topic

An update for lasso is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The lasso packages provide the Lasso library that implements the Liberty Alliance Single Sign-On standards, including the SAML and SAML2 specifications. It allows handling of the whole life-cycle of SAML-based federations and provides bindings for multiple languages.

Security Fix(es):

  • lasso: Type confusion in Entr'ouvert Lasso (CVE-2025-47151)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Related CVEs