CVE-2019-11694 Information disclosure in Firefox
An uninitialized memory leak in the Windows sandbox allows attackers to read sensitive information from broker memory via a renderer process.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-11694?
CVE-2019-11694 is a high-severity vulnerability in Mozilla Firefox, published on 23 Jul 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability exists in the 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. This results in the potential leaking of information stored at that memory location. *Note: this issue only occurs on Windows. Other operating systems are unaffected.*. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.
Which versions are affected by CVE-2019-11694?
It affects 2 products.
Products include Mozilla Firefox, Mozilla Thunderbird.
How do I fix CVE-2019-11694?
Upgrade to a fixed version.
Is CVE-2019-11694 being exploited?
There is no known exploitation of CVE-2019-11694 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as GHSA-7ff5-p6pm-jw35, UBUNTU-CVE-2019-11694.