First published: Wed Dec 02 2015(Updated: )
PCRE before 8.38 mishandles the /(?=di(?<=(?1))|(?=(.))))/ pattern and related patterns with an unmatched closing parenthesis, which allows remote attackers to cause a denial of service (buffer overflow) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.
Credit: cve@mitre.org
Affected Software | Affected Version | How to fix |
---|---|---|
Oracle Linux | =7 | |
PCRE (Perl Compatible Regular Expressions) | <=8.37 |
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The severity of CVE-2015-8388 is considered to be high due to its potential to cause denial of service through buffer overflow.
To fix CVE-2015-8388, you should upgrade to PCRE version 8.38 or later, or apply patches provided by your software vendor.
CVE-2015-8388 affects PCRE versions up to and including 8.37 and Oracle Linux 7.
CVE-2015-8388 can facilitate denial of service attacks through crafted regular expressions that cause buffer overflows.
Yes, CVE-2015-8388 is exploitable remotely, allowing attackers to impact systems using vulnerable software.