CVSS 3.1
7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HCVE-2021-42836
High (7.5) in gjson project gjson. EPSS 2.4% chance of exploitation in the next 30 days. Fixed in github.com/tidwall/gjson 1.9.3.
GJSON before 1.9.3 allows a ReDoS (regular expression denial of service) attack.
Severity
- EPSS
- 2.4% chance of exploitation in the next 30 days; higher than 84% of CVEs (scores of 2026-10-31)
- CWE
- CWE-400
- Published
- Modified
- Record from
- the NVD, synced
Affected
- gjson_project:gjson
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-ppj4-34rq-v8j9 | Go | github.com/tidwall/gjson | <1.9.3 | 1.9.3 |
| GO-2021-0265 | Go | github.com/tidwall/gjson | <1.9.3 | 1.9.3 |
References
- https://github.com/tidwall/gjson/commit/590010fdac311cc8990ef5c97448d4fec8f29944
- https://github.com/tidwall/gjson/commit/77a57fda87dca6d0d7d4627d512a630f89a91c96
- https://github.com/tidwall/gjson/compare/v1.9.2...v1.9.3
- https://github.com/tidwall/gjson/issues/236
- https://github.com/tidwall/gjson/issues/237