CVE-2021-45935 Memory corruption in n/a
A heap-based buffer overflow in the Grok library 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-2021-45935?
CVE-2021-45935 is a medium-severity memory corruption vulnerability in n/a, published on 31 Dec 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
Grok 9.5.0 has a heap-based buffer overflow in openhtj2k::T1OpenHTJ2K::decompress (called from std::__1::__packaged_task_func<std::__1::__bind<grk::T1DecompressScheduler::deco and std::__1::packaged_task<int).
Weakness: CWE-787
Which versions are affected by CVE-2021-45935?
It affects 1 product.
Products include Grok Project Grok.
How do I fix CVE-2021-45935?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2021-45935 being exploited?
There is no known exploitation of CVE-2021-45935 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2021-45935, GHSA-xx3m-p5mx-cgw5.