Out-of-bounds Read in Mozilla Firefox

CVE-2019-9799

Insufficient bounds checking of data during inter-process communication might allow a compromised content process to be able to read memory from the parent process under certain conditions. This vulnerability affects Firefox < 66.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.011 (63.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-9799?
CVE-2019-9799 is a high-severity vulnerability in Mozilla Firefox, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2019-04-26.
How severe is CVE-2019-9799?
High severity. CVSS v3 base score is 7.5 out of 10.