Vulnerability in Mozilla Firefox

CVE-2017-5401

A crash triggerable by web content in which an "ErrorResult" references unassigned memory due to a logic error. The resulting crash may be exploitable. This vulnerability affects Firefox < 52, Firefox ESR < 45.8, Thunderbird < 52, and Thun…

EPSS: 0.031 (86.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-5401?
CVE-2017-5401 is a critical-severity vulnerability in Mozilla Firefox, classified under CWE-388. CVSS score: 9.8/10. Published 2018-06-11.
How severe is CVE-2017-5401?
Critical severity. CVSS v3 base score is 9.8 out of 10.