CVE-2015-8388

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    CVE-2015-8388

    Published: 2 Dec 2015Last Modified: 10 Apr 2026

    Summary:

    Details: 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.

    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

    Affected packages

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High