Description

PCRE before 8.38 mishandles the (?(<digits>) and (?(R<digits>) conditions, which allows remote attackers to cause a denial of service (integer overflow) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.

Remediation

References

CVE-2015-8394

Related Vulnerabilities

Moodle Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2011-4290)

WordPress Plugin Add Comments Cross-Site Scripting (1.0.1)

Joomla Improper Input Validation Vulnerability (CVE-2021-26029)

IBM RTC Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2016-2865)

WordPress Plugin Dynamic Widgets Multiple Cross-Site Scripting Vulnerabilities (1.5.10)

Severity

Critical

Classification

CVE-2015-8394 CWE-190 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Tags

Missing Update Known Vulnerabilities