CVE-2022-26650
Regular expression denial of service in Apache ShenYu
7.5
HIGH
CVSS 3.1
EPSS 1.1%
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.
How to fix CVE-2022-26650
To remediate CVE-2022-26650, upgrade the affected package to a fixed version below.
- —upgrade to 2.4.3 or later
- —upgrade to 2.4.3 or later
Is CVE-2022-26650 being exploited?
Low — EPSS is 1.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- >= 2.4.0, < 2.4.3
- >= 2.4.0, < 2.4.3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |