CVE-2020-11866 Use after free in n/a
A use-after-free vulnerability in libEMF allows attackers to execute arbitrary code or cause denial of service via crafted metafiles.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2020-11866?
CVE-2020-11866 is a high-severity use after free vulnerability in Fedoraproject Fedora, published on 11 May 2020. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
libEMF (aka ECMA-234 Metafile Library) through 1.0.11 allows a use-after-free.
Weakness: CWE-416
Which versions are affected by CVE-2020-11866?
It affects 3 products.
Products include Fedoraproject Fedora, Libemf Project Libemf, Opensuse Leap.
How do I fix CVE-2020-11866?
Apply the vendor's patch.
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-2020-11866 being exploited?
There is no known exploitation of CVE-2020-11866 in the wild and no public exploit code.
Other vulnerabilities in Fedoraproject Fedora
Sources
Also known as DEBIAN-CVE-2020-11866, GHSA-97vq-mgmh-2r8q, UBUNTU-CVE-2020-11866.