CVE-2021-42836
Publication date 22 October 2021
Last updated 11 July 2025
Ubuntu priority
Cvss 3 Severity Score
Description
GJSON before 1.9.3 allows a ReDoS (regular expression denial of service) attack.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| golang-github-tidwall-gjson | 25.10 questing |
Needs evaluation
|
| 25.04 plucky |
Needs evaluation
|
|
| 24.04 LTS noble |
Needs evaluation
|
|
| 22.04 LTS jammy |
Needs evaluation
|
|
| 20.04 LTS focal |
Needs evaluation
|
|
| 16.04 LTS xenial | Ignored end of standard support | |
| 14.04 LTS trusty | Ignored end of standard support |
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References
Other references
- https://github.com/tidwall/gjson/commit/590010fdac311cc8990ef5c97448d4fec8f29944
- https://github.com/tidwall/gjson/commit/77a57fda87dca6d0d7d4627d512a630f89a91c96
- https://github.com/tidwall/gjson/issues/236
- https://github.com/tidwall/gjson/issues/237
- https://github.com/tidwall/gjson/compare/v1.9.2...v1.9.3
- https://www.cve.org/CVERecord?id=CVE-2021-42836