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CVE-2015-4520

Published: 22 September 2015

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.

Priority

Medium

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
precise
Released (41.0+build3-0ubuntu0.12.04.1)
trusty Does not exist
(trusty was released [41.0+build3-0ubuntu0.14.04.1])
upstream
Released (41.0)
vivid
Released (41.0+build3-0ubuntu0.15.04.1)
thunderbird
Launchpad, Ubuntu, Debian
precise
Released (1:38.3.0+build1-0ubuntu0.12.04.1)
trusty Does not exist
(trusty was released [1:38.3.0+build1-0ubuntu0.14.04.1])
upstream
Released (38.3.0)
vivid
Released (1:38.3.0+build1-0ubuntu0.15.04.1)