CVE-2021-46312 Denial of service in n/a
Attackers can cause a denial of service via divide by zero in the djvulibre library, affecting applications processing DjVu files.
- 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-2021-46312?
CVE-2021-46312 is a medium-severity denial of service vulnerability in n/a, published on 22 Aug 2023. 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 IW44EncodeCodec.cpp in djvulibre 3.5.28 in allows attackers to cause a denial of service via divide by zero.
Weakness: CWE-369
Which versions are affected by CVE-2021-46312?
It affects 1 product.
Products include Djvulibre Project Djvulibre.
How do I fix CVE-2021-46312?
Upgrade to a fixed version.
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-2021-46312 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-46312 exists.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2021-46312, GHSA-mqm4-pwjf-gw24, UBUNTU-CVE-2021-46312.