What’s Vulnerable › Vulnerabilities

CVE-2015-8388

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 6.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2015-12-02 · updated 2026-06-17
• Weakness: CWE-119

Description

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.

Affected products

• Oracle Corporation Oracle Linux: 7
• PCRE Perl Compatible Regular Expression Library: through 8.37

References

• http://rhn.redhat.com/errata/RHSA-2016-1025.html
• http://rhn.redhat.com/errata/RHSA-2016-2750.html
• http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup
• http://www-01.ibm.com/support/docview.wss?uid=isg3T1023886
• http://www.openwall.com/lists/oss-security/2015/11/29/1
• http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
• http://www.securityfocus.com/bid/85576
• https://access.redhat.com/errata/RHSA-2016:1132
• https://bto.bluecoat.com/security-advisory/sa128
• https://security.gentoo.org/glsa/201607-02
• http://rhn.redhat.com/errata/RHSA-2016-1025.html
• http://rhn.redhat.com/errata/RHSA-2016-2750.html

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