Description

The pcre_compile function in pcre_compile.c in PCRE before 8.38 mishandles certain [: nesting, which allows remote attackers to cause a denial of service (CPU consumption) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.

Remediation

References

CVE-2015-8391

Related Vulnerabilities

Undertow Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') Vulnerability (CVE-2020-10719)

Jenkins Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2018-1000192)

Django Exposure of Resource to Wrong Sphere Vulnerability (CVE-2021-45116)

WordPress Plugin Easy Custom Auto Excerpt Cross-Site Scripting (2.4.6)

WordPress Plugin Fast Secure Contact Form Remote Code Execution (4.0.44)

Severity

Critical

Classification

CVE-2015-8391 CWE-119 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Tags

Missing Update Known Vulnerabilities