CVE-2021-42836

Public Exploit

Description

GJSON before 1.9.3 allows a ReDoS (regular expression denial of service) attack.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.24%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/tidwall/gjson/issues/236 issue tracking exploit third party advisory
https://github.com/tidwall/gjson/issues/237 issue tracking patch exploit third party advisory
https://github.com/tidwall/gjson/commit/77a57fda87dca6d0d7d4627d512a630f89a91c96 third party advisory patch
https://github.com/tidwall/gjson/compare/v1.9.2...v1.9.3 third party advisory release notes
https://github.com/tidwall/gjson/commit/590010fdac311cc8990ef5c97448d4fec8f29944 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-42836?
CVE-2021-42836 has been scored as a high severity vulnerability.
How to fix CVE-2021-42836?
To fix CVE-2021-42836, 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-2021-42836 being actively exploited in the wild?
It is possible that CVE-2021-42836 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.
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