CVE-2020-22916 Denial of service in n/a
Attackers can cause denial of service by decompressing a crafted file in the XZ library, though the vendor disputes the severity.
- 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-2020-22916?
CVE-2020-22916 is a medium-severity denial of service vulnerability in n/a, published on 22 Aug 2023. 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 discovered in XZ 5.2.5 allows attackers to cause a denial of service via decompression of a crafted file. NOTE: the vendor disputes the claims of "endless output" and "denial of service" because decompression of the 17,486 bytes always results in 114,881,179 bytes, which is often a reasonable size increase.
Which versions are affected by CVE-2020-22916?
It affects 1 product.
Products include Tukaani Xz.
How do I fix CVE-2020-22916?
No fix has been published for CVE-2020-22916 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-2020-22916 being exploited?
There is no known exploitation of CVE-2020-22916 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-8rm5-v9qv-hvcc.