Out-of-bounds read in Mozilla Firefox - CVE-2019-9799

 

Out-of-bounds read in Mozilla Firefox - CVE-2019-9799

Published: March 21, 2019


Vulnerability identifier: #VU18038
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-9799
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Mozilla
Affected software:
Mozilla Firefox

Detailed vulnerability description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition when reading IPC messages. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger out-of-bounds read error and read memory from the parent process under certain conditions.


How to mitigate CVE-2019-9799

Install updates from vendor's website.

Sources