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Vulnerability record · CVE-2015-5963 · published 24 August 2015

CVE-2015-5963: Djangoproject django vulnerability

Djangoproject · Django

contrib.sessions.middleware.SessionMiddleware in Django 1.8.x before 1.8.4, 1.7.x before 1.7.10, 1.4.x before 1.4.22, and possibly other versions allows remote attackers to cause a denial of service (session store consumption or session record removal) via a large number of requests to contrib.auth.views.logout, which triggers the creation of an empty session record.

5.0 CVSS 2.0 Medium EPSS 5.2% · top 7.8% CWE-399 · CWE-399
5.0CVSS 2.0 base score
5.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
26References
17 Jun 2026Last modified by NVD

Description

contrib.sessions.middleware.SessionMiddleware in Django 1.8.x before 1.8.4, 1.7.x before 1.7.10, 1.4.x before 1.4.22, and possibly other versions allows remote attackers to cause a denial of service (session store consumption or session record removal) via a large number of requests to contrib.auth.views.logout, which triggers the creation of an empty session record.

AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172084.html
http://lists.opensuse.org/opensuse-updates/2015-09/msg00026.html
http://lists.opensuse.org/opensuse-updates/2015-09/msg00035.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 Third Party Advisory
http://www.securityfocus.com/bid/76428
http://www.securitytracker.com/id/1033318
http://www.ubuntu.com/usn/USN-2720-1 Third Party Advisory
https://access.redhat.com/errata/RHSA-2015:1876
https://www.djangoproject.com/weblog/2015/aug/18/security-releases/ PatchVendor Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172084.html
http://lists.opensuse.org/opensuse-updates/2015-09/msg00026.html
http://lists.opensuse.org/opensuse-updates/2015-09/msg00035.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 Third Party Advisory
http://www.securityfocus.com/bid/76428
http://www.securitytracker.com/id/1033318
http://www.ubuntu.com/usn/USN-2720-1 Third Party Advisory
https://access.redhat.com/errata/RHSA-2015:1876
https://www.djangoproject.com/weblog/2015/aug/18/security-releases/ PatchVendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2015-5963), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.