CVE-2018-12549 Null dereference in Eclipse OpenJ9
The OpenJ9 JIT compiler may omit a null check, potentially causing a crash or denial of service when executing unsafe calls.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-12549?
CVE-2018-12549 is a critical vulnerability in Redhat Enterprise Linux Desktop, published on 11 Feb 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In Eclipse OpenJ9 version 0.11.0, the OpenJ9 JIT compiler may incorrectly omit a null check on the receiver object of an Unsafe call when accelerating it.
Which versions are affected by CVE-2018-12549?
It affects 5 products.
Products include Eclipse Openj9, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Workstation, Redhat Satellite.
How do I fix CVE-2018-12549?
Upgrade to a fixed version.
Is CVE-2018-12549 being exploited?
There is no known exploitation of CVE-2018-12549 in the wild and no public exploit code.
Other vulnerabilities in Redhat Enterprise Linux Desktop
Sources
Also known as GHSA-xpfc-p72p-hwch.