ALSA-2021:4325

    Dashboard / Vulnerabilities / ALSA-2021:4325

    ALSA-2021:4325

    Published: 9 Nov 2021Last Modified: 4 Feb 2026

    Summary: Moderate: lasso security and enhancement update

    Details: 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: XML signature wrapping vulnerability when parsing SAML responses (CVE-2021-28091) 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. Additional Changes: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

    References: https://errata.almalinux.org/8/ALSA-2021-4325.html, https://vulners.com/cve/CVE-2021-28091

    Affected packages

    Package

    Name: lasso

    Purl: pkg:rpm/almalinux/lasso

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.6.0-12.el8

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    ALSA-2021:4325 | CVE-DB