CVE Database›Document archive›CVE-2017-6181

CVE-2017-6181

ruby: Stack overflow in parse_char_class() in Onigmo

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Severity

Moderate

Red Hat Product Security

6.5

CVSS 3.0

Review impact separately from score.

Published · February 20, 2017

Updated · May 13, 2026

Description

An unbounded recursion flaw was found in the way Ruby handled regular expressions. A specially crafted regular expression could be used by an attacker to crash an Ruby application processing such crafted input.

Statement

Red Hat Product Security has rated this issue as having Moderate security impact. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 6.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CWE-674 · Uncontrolled Recursion