CVE-2015-8389
Critical
Description
PCRE before 8.38 mishandles the /(?:|a|){100}x/ pattern and related patterns, which allows remote attackers to cause a denial of service (infinite recursion) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.
SeverityCritical
CVSS9.8
Exploit probability90. percentile3.9%
Product
Pcre Perl Compatible Regular Expression Library
PublishedDec 2, 2015
First seenDec 2, 2015
Weakness typeCWE-119Memory buffer bounds errorCWE-185CWE-185
How to fix
Update
- php php5.5.32, 5.6.18, 7.0.3 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| pcre perl_compatible_regular_expression_library | v ≤ 8.37 | — |
| fedoraproject fedora | 22 | — |
| php php | 5.5.0 ≤ v < 5.5.32, 5.6.0 ≤ v < 5.6.18, 7.0.0 ≤ v < 7.0.3 | 5.5.32, 5.6.18, 7.0.3 |
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