Memory leak in Mozilla Firefox - CVE-2019-11694

 

Memory leak in Mozilla Firefox - CVE-2019-11694

Published: May 21, 2019


Vulnerability identifier: #VU18559
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-11694
CWE-ID: CWE-401
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak in Windows sandbox where an uninitialized value in memory can be leaked to a renderer from a broker when making a call to access an otherwise unavailable file.. A remote attacker can create a specially crafted web page and gain access to sensitive information stored in memory on the system.

Note: the vulnerability affects Windows versions of Firefox.


Affected software

Mozilla Firefox
Firefox ESR
SUSE Package Hub for SUSE Linux Enterprise
Slackware Linux
Opensuse
Mozilla Thunderbird
firefox-esr (Alpine package)

How to mitigate CVE-2019-11694

Install updates from vendor's website.

Mozilla Firefox - update to 67.0
Mozilla Thunderbird - update to 60.7.0
Firefox ESR - update to 60.7.0
firefox-esr (Alpine package) - update to 60.7.0-r0

External References

Related Security Bulletins