CVE-2021-42836

View on CVE.org

Published Oct 22, 2021 CVSS 3.1 · 7.5 High EPSS 2.4% KEV · Not listed

Description

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

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:gjson_project:gjson:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-2240	GJSON before 1.9.3 allows a ReDoS (regular expression denial of service) attack.
Github GHSA	GHSA-ppj4-34rq-v8j9	github.com/tidwall/gjson Vulnerable to REDoS attack

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 2.4% (2.415% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
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

History

No history.

Subscriptions

Gjson Project Gjson

Weaknesses

CWE-400

Sources

CVE record Updated: Aug 4, 2024, 3:38 AM

Status: PUBLISHED
Assigner: mitre
Published: Oct 22, 2021, 5:22 PM
Updated: Aug 4, 2024, 3:38 AM
Reserved: Oct 22, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 4:10 AM

Status: Modified
Published: Oct 22, 2021, 6:15 PM
Modified: Jun 17, 2026, 4:10 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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