CVE-2015-8390

Critical

Description

PCRE before 8.38 mishandles the [: and \\ substrings in character classes, which allows remote attackers to cause a denial of service (uninitialized memory read) 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 probability92. percentile4.7%
ProductPcre Perl Compatible Regular Expression Library
PublishedDec 2, 2015
First seenDec 2, 2015
Weakness typeCWE-908CWE-908

How to fix

Update
  • php php5.5.32, 5.6.18, 7.0.3 or later

Affected products

ProductAffected versionsFixed in
pcre perl_compatible_regular_expression_libraryv ≤ 8.37—
fedoraproject fedora22—
php php5.5.0 ≤ v < 5.5.32, 5.6.0 ≤ v < 5.6.18, 7.0.0 ≤ v < 7.0.35.5.32, 5.6.18, 7.0.3

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