CVE-2021-42006 Memory corruption in n/a
An out-of-bounds access in GCLib allows attackers to cause a segmentation fault via a crafted GFF file.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2021-42006?
CVE-2021-42006 is a high-severity memory corruption vulnerability in n/a, published on 4 Oct 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
An out-of-bounds access in GffLine::GffLine in gff.cpp in GCLib 0.12.7 allows an attacker to cause a segmentation fault or possibly have unspecified other impact via a crafted GFF file.
Weakness: CWE-125
Which versions are affected by CVE-2021-42006?
It affects 1 product.
Products include Gclib Project Gclib.
How do I fix CVE-2021-42006?
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-2021-42006 being exploited?
There is no known exploitation of CVE-2021-42006 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2021-42006, GHSA-936f-wf9f-83xm, UBUNTU-CVE-2021-42006.