CVE-2022-23901 Denial of service in n/a
An attacker can cause a stack overflow and crash the application via infinite recursion in the re2c regex compiler library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-23901?
CVE-2022-23901 is a critical denial of service vulnerability in n/a, published on 29 Mar 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A stack overflow re2c 2.2 exists due to infinite recursion issues in src/dfa/dead_rules.cc.
Weakness: CWE-787
Which versions are affected by CVE-2022-23901?
It affects 1 product.
Products include Re2c Re2c.
How do I fix CVE-2022-23901?
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-2022-23901 being exploited?
There is no known exploitation of CVE-2022-23901 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as AZL-43948, AZL-45369, DEBIAN-CVE-2022-23901, GHSA-37h7-52mc-gc3m, UBUNTU-CVE-2022-23901.