CVE-2021-39514 Denial of service in n/a
An attacker can cause a denial of service via an uncaught floating point exception in the libjpeg library.
- 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-2021-39514?
CVE-2021-39514 is a medium-severity denial of service vulnerability in n/a, published on 20 Sep 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 issue was discovered in libjpeg through 2020021. An uncaught floating point exception in the function ACLosslessScan::ParseMCU() located in aclosslessscan.cpp. It allows an attacker to cause Denial of Service.
Weakness: CWE-697
Which versions are affected by CVE-2021-39514?
It affects 1 product.
Products include Jpeg Libjpeg.
How do I fix CVE-2021-39514?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2021-39514 being exploited?
There is no known exploitation of CVE-2021-39514 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2021-39514, GHSA-h37c-4pg2-6xq6, UBUNTU-CVE-2021-39514.