CVE-2021-33451 Denial of service in n/a
Memory leaks in lrzip allow attackers to cause resource exhaustion and 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
- None listed
What is CVE-2021-33451?
CVE-2021-33451 is a medium-severity denial of service vulnerability in n/a, published on 26 Jul 2022. 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
An issue was discovered in lrzip version 0.641. There are memory leaks in fill_buffer() in stream.c.
Weakness: CWE-401
Which versions are affected by CVE-2021-33451?
It affects 1 product.
Products include Long Range Zip Project Long Range Zip.
How do I fix CVE-2021-33451?
No fix has been published for CVE-2021-33451 yet. Limit exposure of the affected software until one is available.
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-2021-33451 being exploited?
There is no known exploitation of CVE-2021-33451 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2021-33451, GHSA-79hq-4grw-2q67, UBUNTU-CVE-2021-33451.