CVE-2015-8387: Integer Overflow
PCRE before 8.38 mishandles (?123) subroutine calls and related subroutine calls, 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.
Other sources
Upgraded bundled PCRE library to 8.38. (CVE-2015-8383, CVE-2015-8386, CVE-2015-8387, CVE-2015-8389, CVE-2015-8390, CVE-2015-8391, CVE-2015-8393, CVE-2015-8394)
— PHP
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2015-8387?
CVE-2015-8387 is categorized as a denial of service vulnerability due to integer overflow, allowing remote attackers to exploit the flaw.
How do I fix CVE-2015-8387?
To mitigate CVE-2015-8387, upgrade to PCRE version 8.38 or later.
Which software versions are affected by CVE-2015-8387?
CVE-2015-8387 affects PCRE versions prior to 8.38, several PHP versions, and Fedora 22.
What are the potential impacts of CVE-2015-8387?
CVE-2015-8387 can lead to denial of service and possibly other unspecified impacts when exploited via crafted regular expressions.
Can CVE-2015-8387 be exploited through web applications?
Yes, CVE-2015-8387 can be exploited in web applications that utilize vulnerable versions of PCRE in their regular expression handling.