CVE-2021-37322 Use after free in n/a
A use-after-free flaw in GCC's c++filt utility allows attackers to execute arbitrary code or cause a denial of service 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
- Available
What is CVE-2021-37322?
CVE-2021-37322 is a high-severity use after free vulnerability in Gnu Binutils, published on 18 Nov 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
GCC c++filt v2.26 was discovered to contain a use-after-free vulnerability via the component cplus-dem.c.
Weakness: CWE-416
Which versions are affected by CVE-2021-37322?
It affects 2 products.
Products include Gnu Binutils, Gnu Gcc.
How do I fix CVE-2021-37322?
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-2021-37322 being exploited?
There is no known exploitation of CVE-2021-37322 in the wild and no public exploit code.
Other vulnerabilities in Gnu Binutils
Sources
Also known as DEBIAN-CVE-2021-37322, GHSA-6f99-ppjg-wgj7, UBUNTU-CVE-2021-37322.