CVE-2021-26927 Null dereference in jasper
A null pointer dereference in the Jasper library allows attackers to cause a program crash and denial of service.
- 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-2021-26927?
CVE-2021-26927 is a medium-severity vulnerability in Fedoraproject Fedora, published on 23 Feb 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
A flaw was found in jasper before 2.0.25. A null pointer dereference in jp2_decode in jp2_dec.c may lead to program crash and denial of service.
Weakness: CWE-476
Which versions are affected by CVE-2021-26927?
It affects 2 products.
Products include Fedoraproject Fedora, Jasper Project Jasper.
How do I fix CVE-2021-26927?
Upgrade to a fixed version.
Is CVE-2021-26927 being exploited?
There is no known exploitation of CVE-2021-26927 in the wild and no public exploit code.
Other vulnerabilities in Fedoraproject Fedora
Sources
Also known as AZL-6492, GHSA-9768-8435-chr8, UBUNTU-CVE-2021-26927.