CVE-2022-26650 - CVE House

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Status published High CVE-2022-26650

Apache ShenYu (incubating) Regular expression denial of service

7.5 CVSS

Vulnerability Description

In Apache ShenYui, ShenYu-Bootstrap, RegexPredicateJudge.java uses Pattern.matches(conditionData.getParamValue(), realData) to make judgments, where both parameters are controllable by the user. This can cause an attacker pass in malicious regular expressions and characters causing a resource exhaustion. This issue affects Apache ShenYu (incubating) 2.4.0, 2.4.1 and 2.4.2 and is fixed in 2.4.3.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Apache Software Foundation

View all reports →

Affected Software

Apache ShenYu (incubating)

Vulnerable Versions:

unspecified

Timeline

Official Publish: May 17th, 2022

Last Modified: August 3rd, 2024

Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1499 Endpoint Denial of Service

T1190 Exploit Public-Facing Application

T1496 Resource Hijacking

T1562 Impair Defenses

Defense Evasion

T1070 Indicator Removal on Host

Defense Evasion