UBUNTU-CVE-2021-31826

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    UBUNTU-CVE-2021-31826

    Published: 27 Apr 2021Last Modified: 22 Apr 2026
    Upstream:
    CVE-2021-31826

    Summary:

    Details: Shibboleth Service Provider 3.x before 3.2.2 is prone to a NULL pointer dereference flaw involving the session recovery feature. The flaw is exploitable (for a daemon crash) on systems not using this feature if a crafted cookie is supplied.

    References: https://ubuntu.com/security/CVE-2021-31826, https://shibboleth.net/community/advisories/secadv_20210426.txt, https://issues.shibboleth.net/jira/browse/SSPCPP-927, https://git.shibboleth.net/view/?p=cpp-sp.git;a=commit;h=5a47c3b9378f4c49392dd4d15189b70956f9f2ec, https://bugs.debian.org/987608, https://www.debian.org/security/2021/dsa-4905, https://www.cve.org/CVERecord?id=CVE-2021-31826

    Affected packages

    Package

    Name: shibboleth-sp

    Purl: pkg:deb/ubuntu/[email protected]+dfsg1-1ubuntu0.2?arch=source&distro=focal

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.0.4+dfsg1-1ubuntu0.2

    Affected versions

    3.0.4+dfsg1-1
    3.0.4+dfsg1-1build1
    3.0.4+dfsg1-1ubuntu0.1

    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
    UBUNTU-CVE-2021-31826 | CVE-DB