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CVE-2015-4520

CVE-2015-4520

EPSS 3.1%
Mozilla Firefox before 41.0 and Firefox ESR 38.x before 38.3 allow remote attackers to bypass CORS preflight protection mechanisms by leveraging (1) duplicate cache-key generation or (2) retrieval of a value from an incorrect HTTP Access-Control-* response header.
Affected products
n/a · n/a

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References
http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00000.htmlhttp://lists.opensuse.org/opensuse-security-announce/2015-10/msg00003.htmlhttp://lists.opensuse.org/opensuse-security-announce/2015-10/msg00004.htmlhttp://lists.opensuse.org/opensuse-security-announce/2015-10/msg00005.htmlhttp://lists.opensuse.org/opensuse-security-announce/2015-10/msg00007.htmlhttp://lists.opensuse.org/opensuse-security-announce/2015-11/msg00025.htmlhttp://rhn.redhat.com/errata/RHSA-2015-1834.htmlhttp://rhn.redhat.com/errata/RHSA-2015-1852.htmlhttps://bugzilla.mozilla.org/show_bug.cgi?id=1200856https://bugzilla.mozilla.org/show_bug.cgi?id=1200869http://www.debian.org/security/2015/dsa-3365http://www.mozilla.org/security/announce/2015/mfsa2015-111.html