Information disclosure in Mozilla Firefox

CVE-2018-12365

A compromised IPC child process can escape the content sandbox and list the names of arbitrary files on the file system without user consent or interaction. This could result in exposure of private local files. This vulnerability affects Thunderbird < 60, Thunderbird < 52.9, Firefox ESR < 60.1, Firefox ESR < 52.9, and Firefox < 61.

Vulnerability class: Information Disclosure

EPSS: 0.032 (86.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-12365?
CVE-2018-12365 is a medium-severity vulnerability in Mozilla Firefox, classified under Information Disclosure. CVSS score: 6.5/10. Published 2018-10-18.
How severe is CVE-2018-12365?
Medium severity. CVSS v3 base score is 6.5 out of 10.