Red Hat Security Advisory: lasso security update
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.
AI Analysis
Technical Summary
The lasso library, which supports SAML-based federations and Single Sign-On standards, contains a type confusion vulnerability (CVE-2025-47151) in Entr'ouvert Lasso. This flaw could lead to unintended behavior due to incorrect type handling. Red Hat Product Security has rated this vulnerability as critical and released updated lasso packages for Red Hat Enterprise Linux 8.2 AUS to fix the issue. The advisory references the fix in lasso-2.6.0-8.el8_2.1.src.rpm and related binaries.
Potential Impact
The vulnerability is classified as critical by Red Hat Product Security, indicating a potentially severe impact on systems using the affected lasso package. Type confusion flaws can lead to memory corruption or unexpected code execution, but specific impact details are not provided in the advisory. There are no known exploits in the wild at the time of the advisory.
Mitigation Recommendations
Red Hat has released updated lasso packages for Red Hat Enterprise Linux 8.2 AUS (version 2.6.0-8.el8_2.1) that address this vulnerability. Users should apply these official updates promptly following Red Hat's guidance at https://access.redhat.com/articles/11258. No alternative mitigations or workarounds are specified.
Red Hat Security Advisory: lasso security update
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.
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The lasso library, which supports SAML-based federations and Single Sign-On standards, contains a type confusion vulnerability (CVE-2025-47151) in Entr'ouvert Lasso. This flaw could lead to unintended behavior due to incorrect type handling. Red Hat Product Security has rated this vulnerability as critical and released updated lasso packages for Red Hat Enterprise Linux 8.2 AUS to fix the issue. The advisory references the fix in lasso-2.6.0-8.el8_2.1.src.rpm and related binaries.
Potential Impact
The vulnerability is classified as critical by Red Hat Product Security, indicating a potentially severe impact on systems using the affected lasso package. Type confusion flaws can lead to memory corruption or unexpected code execution, but specific impact details are not provided in the advisory. There are no known exploits in the wild at the time of the advisory.
Mitigation Recommendations
Red Hat has released updated lasso packages for Red Hat Enterprise Linux 8.2 AUS (version 2.6.0-8.el8_2.1) that address this vulnerability. Users should apply these official updates promptly following Red Hat's guidance at https://access.redhat.com/articles/11258. No alternative mitigations or workarounds are specified.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2025:21628
- Cve Count
- 1
Threat ID: 6a3da1dc4853345fc1829a1f
Added to database: 06/25/2026, 21:47:08 UTC
Last enriched: 07/12/2026, 11:45:31 UTC
Last updated: 09/10/2026, 19:36:50 UTC
Views: 59
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