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CVE-2015-4520 PUBLISHED

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.

EPSS 0.59% · 69.1th percentile

Risk Scores

EPSS Score
0.59%
69.1th percentile

Affected Products

VendorProductVersions
Ubuntu:14.04:LTSfirefox0, 24.0+build1-0ubuntu1, 25.0+build3-0ubuntu0.13.10.1
Ubuntu:14.04:LTSthunderbird0, 1:24.0+build1-0ubuntu1, 1:24.0+build1-0ubuntu2

Timeline

References

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