CVE-2020-36404 Use after free in n/a
An invalid free in Keystone Engine allows attackers to cause denial of service or potentially execute arbitrary code via crafted input.
- 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
- None listed
What is CVE-2020-36404?
CVE-2020-36404 is a high-severity use after free vulnerability in n/a, published on 1 Jul 2021. 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
Keystone Engine 0.9.2 has an invalid free in llvm_ks::SmallVectorImpl<llvm_ks::MCFixup>::~SmallVectorImpl.
Weakness: CWE-763
Which versions are affected by CVE-2020-36404?
It affects 1 product.
Products include Keystone-Engine Keystone.
How do I fix CVE-2020-36404?
No fix has been published for CVE-2020-36404 yet. Limit exposure of the affected software until one is available.
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-2020-36404 being exploited?
There is no known exploitation of CVE-2020-36404 in the wild and no public exploit code.
Sources
Also known as GHSA-w4h7-3hcx-qgv6.