Vulnerability in Mozilla Firefox

CVE-2018-5107

The printing process can bypass local access protections to read files available through symlinks, bypassing local file restrictions. The printing process requires files in a specific format so arbitrary data cannot be read but it is possible that some local file information could be exposed. This vulnerability affects Firefox < 58.

EPSS: 0.018 (76.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-5107?
CVE-2018-5107 is a medium-severity vulnerability in Mozilla Firefox, classified under Improper Link Resolution Before File Access. CVSS score: 5.3/10. Published 2018-06-11.
How severe is CVE-2018-5107?
Medium severity. CVSS v3 base score is 5.3 out of 10.