CVE-2017-5387

3.3 lowEPSS 0.4%

Low (3.3) in mozilla firefox. EPSS 0.4% chance of exploitation in the next 30 days.

The existence of a specifically requested local file can be found due to the double firing of the "onerror" when the "source" attribute on a "<track>" tag refers to a file that does not exist if the source page is loaded locally. This vulnerability affects Firefox < 51.

Severity

CVSS 3.0

3.3 low

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 33% of CVEs (scores of 2026-10-31)
CWE: CWE-538
Published: 2018-06-11
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

mozilla:firefox

References

http://www.securityfocus.com/bid/95763
http://www.securitytracker.com/id/1037693
https://bugzilla.mozilla.org/show_bug.cgi?id=1295023
https://www.mozilla.org/security/advisories/mfsa2017-01/
http://www.securityfocus.com/bid/95763

Check your stack JSON