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    CVE-2015-5964

    The (1) contrib.sessions.backends.base.SessionBase.flush and (2) cache_db.SessionStore.flush functions in Django 1.7.x before 1.7.10, 1.4.x before 1.4.22, and possibly other versions create empty sessions in certain circumstances, which allows remote attackers to cause a denial of service (session store consumption) via unspecified vectors.

    Published:Aug 18, 2015
    Last Modified:Apr 12, 2025
    EPS:Aug 24, 2015
    EPSS Score:0.04693
    CVSS Score:5

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Djangoproject
    Product
    Django
    Vendor
    Oracle
    Product
    Solaris
    Vendor
    Redhat
    Product
    Openstack

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-47337 (CVSS 3.3) — Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a possible NULL pointer dereference in the handling …
    CVE-2026-47336 (CVSS 3.3) — Ubuntu Linux 6.8 contains SAUCE patches with a possible use of an uninitialized variable in AppArmor AF_INET/A…
    CVE-2026-47335 (CVSS 5.5) — Ubuntu Linux 6.8 contains SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor n…
    CVE-2026-47334 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly sleep while holding a spinlock…
    CVE-2026-47333 (CVSS 7.8) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which can potentially incorrectly compute the si…
    CVE-2026-47332 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly validate the size of an intern…
    CVE-2026-47331 (CVSS 7.8) — Ubuntu Linux 6.8 contains AppArmor SAUCE patches which fail to acquire a lock when modifying a linked list. An…
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    References

    http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172084.html
    http://rhn.redhat.com/errata/RHSA-2015-1766.html
    http://rhn.redhat.com/errata/RHSA-2015-1767.html
    http://rhn.redhat.com/errata/RHSA-2015-1894.html
    http://www.debian.org/security/2015/dsa-3338
    http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html
    http://www.securityfocus.com/bid/76440
    http://www.securitytracker.com/id/1033318
    http://www.ubuntu.com/usn/USN-2720-1
    https://www.djangoproject.com/weblog/2015/aug/18/security-releases/
    http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172084.html
    http://rhn.redhat.com/errata/RHSA-2015-1766.html
    http://rhn.redhat.com/errata/RHSA-2015-1767.html
    http://rhn.redhat.com/errata/RHSA-2015-1894.html
    http://www.debian.org/security/2015/dsa-3338
    http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html
    http://www.securityfocus.com/bid/76440
    http://www.securitytracker.com/id/1033318
    http://www.ubuntu.com/usn/USN-2720-1
    https://www.djangoproject.com/weblog/2015/aug/18/security-releases/

    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