CVE-2018-12361 Integer overflow in Firefox
An integer overflow in SwizzleData allows attackers to cause a crash or potentially execute code via crafted graphics inputs in Firefox and Thunderbird.
- 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-2018-12361?
CVE-2018-12361 is a high-severity 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
An integer overflow can occur in the SwizzleData code while calculating buffer sizes. The overflowed value is used for subsequent graphics computations when their inputs are not sanitized which results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60, Firefox ESR < 60.1, and Firefox < 61.
Weakness: CWE-190
Which versions are affected by CVE-2018-12361?
It affects 5 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird.
How do I fix CVE-2018-12361?
Upgrade to a fixed version.
Is CVE-2018-12361 being exploited?
There is no known exploitation of CVE-2018-12361 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2018-12361, GHSA-67p3-5m2h-325j, UBUNTU-CVE-2018-12361.