{"id":"CVE-2015-7327","aliases":["EUVD-2015-7252","GHSA-gpjh-cmj6-fjw9"],"status":"published","title":"Mozilla Firefox before 41.0 does not properly restrict the availability of High Resolution Time...","description":"Mozilla Firefox before 41.0 does not properly restrict the availability of High Resolution Time API times, which allows remote attackers to track last-level cache access, and consequently obtain sensitive information, via crafted JavaScript code that makes performance.now calls.","severity":{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01771,"percentile":0.78301,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2015-09-24T01:00:00Z","modified":"2026-06-17T00:32:15Z","products":[{"vendor":"mozilla","product":"firefox"}],"references":[{"url":"http://arxiv.org/abs/1502.07373","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"http://www.securitytracker.com/id/1033640","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1167489","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.mozilla.org/security/announce/2015/mfsa2015-114.html","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1153672","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-7327"},{"url":"https://github.com/advisories/GHSA-gpjh-cmj6-fjw9"}],"sources":{"cve":[{"id":"CVE-2015-7327","description":"Mozilla Firefox before 41.0 does not properly restrict the availability of High Resolution Time API times, which allows remote attackers to track last-level cache access, and consequently obtain sensitive information, via crafted JavaScript code that makes performance.now calls.","status":"published","published":"2015-09-24T01:00:00Z","modified":"2024-08-06T07:43:46.175Z","updated_at":"2026-11-02T14:35:44.744952Z"}],"euvd":[{"id":"EUVD-2015-7252","description":"Mozilla Firefox before 41.0 does not properly restrict the availability of High Resolution Time API times, which allows remote attackers to track last-level cache access, and consequently obtain sensitive information, via crafted JavaScript code that makes performance.now calls.","status":"published","published":"2015-09-24T01:00:00Z","modified":"2024-08-06T07:43:46Z","updated_at":"2026-11-03T02:21:52.959489Z"}],"ghsa":[{"id":"GHSA-gpjh-cmj6-fjw9","title":"Mozilla Firefox before 41.0 does not properly restrict the availability of High Resolution Time...","description":"Mozilla Firefox before 41.0 does not properly restrict the availability of High Resolution Time API times, which allows remote attackers to track last-level cache access, and consequently obtain sensitive information, via crafted JavaScript code that makes performance.now calls.","status":"published","published":"2022-05-17T03:18:22Z","modified":"2023-01-27T05:07:33Z","cwes":["CWE-200"],"updated_at":"2026-11-02T14:43:08.798618Z"}],"nvd":[{"id":"CVE-2015-7327","description":"Mozilla Firefox before 41.0 does not properly restrict the availability of High Resolution Time API times, which allows remote attackers to track last-level cache access, and consequently obtain sensitive information, via crafted JavaScript code that makes performance.now calls.","status":"published","published":"2015-09-24T04:59:29.317Z","modified":"2026-06-17T00:32:15.897Z","cvss":[{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:03:09.92183Z"}]}}