CVE-2018-12360 Use after free in Firefox
A use-after-free flaw in Firefox and Thunderbird allows attackers to cause a crash or potentially execute code via crafted input elements.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2018-12360?
CVE-2018-12360 is a high-severity use after free vulnerability in Canonical Ubuntu Linux, published on 18 Oct 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A use-after-free vulnerability can occur when deleting an input element during a mutation event handler triggered by focusing that element. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60, Thunderbird < 52.9, Firefox ESR < 60.1, Firefox ESR < 52.9, and Firefox < 61.
Weakness: CWE-416
Which versions are affected by CVE-2018-12360?
It affects 11 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird, Redhat Enterprise Linux Desktop and 5 more.
How do I fix CVE-2018-12360?
Upgrade to a fixed version.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2018-12360 being exploited?
There is no known exploitation of CVE-2018-12360 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2018-12360, GHSA-wm4w-v52h-8qfc, UBUNTU-CVE-2018-12360.