CVE-2021-3803

Public Exploit
Inefficient Regular Expression Complexity in fb55/nth-check

Description

nth-check is vulnerable to Inefficient Regular Expression Complexity

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.11%
Third-Party Advisory github.com Third-Party Advisory huntr.dev Third-Party Advisory debian.org
Affected: fb55 fb55/nth-check
Published at:
Updated at:

References

Link Tags
https://huntr.dev/bounties/8cf8cc06-d2cf-4b4e-b42c-99fafb0b04d0 patch exploit third party advisory issue tracking
https://github.com/fb55/nth-check/commit/9894c1d2010870c351f66c6f6efcf656e26bb726 third party advisory patch
https://lists.debian.org/debian-lts-announce/2023/05/msg00023.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2021-3803?
CVE-2021-3803 has been scored as a high severity vulnerability.
How to fix CVE-2021-3803?
To fix CVE-2021-3803, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-3803 being actively exploited in the wild?
It is possible that CVE-2021-3803 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-3803?
CVE-2021-3803 affects fb55 fb55/nth-check.
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