CVE-2021-43307

Exponential ReDoS in semver-regex

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Published Jun 1, 2022 CVSS 3.1 · 5.9 Medium EPSS 1.6% KEV · Not listed

Description

An exponential ReDoS (Regular Expression Denial of Service) can be triggered in the semver-regex npm package, when an attacker is able to supply arbitrary input to the test() method

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

semver-regex

semver-regex

affected

Version	Status	Constraints
`unspecified`	affected	< 3.1.4

Configuration 1 [-]

OR	cpe:2.3:a:semver-regex_project:semver-regex::::::::
	cpe:2.3:a:semver-regex_project:semver-regex::::::::

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2022-5926	An exponential ReDoS (Regular Expression Denial of Service) can be triggered in the semver-regex npm package, when an attacker is able to supply arbitrary input to the test() method
Github GHSA	GHSA-4x5v-gmq8-25ch	Regular expression denial of service in semver-regex

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity High

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: 1.6% (1.558% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://research.jfrog.com/vulnerabilities/semver-regex-redos-xray-211349/

History

No history.

Subscriptions

Semver-regex Project Semver-regex

Weaknesses

CWE-1333

Sources

CVE record Updated: Sep 17, 2024, 12:35 AM

Status: PUBLISHED
Assigner: JFROG
Published: Jun 1, 2022, 4:47 PM
Updated: Sep 17, 2024, 12:35 AM
Reserved: Nov 3, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

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

Status: Modified
Published: Jun 2, 2022, 2:15 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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