CVE-2015-8391

critical

Description

The pcre_compile function in pcre_compile.c in PCRE before 8.38 mishandles certain [: nesting, which allows remote attackers to cause a denial of service (CPU consumption) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.

References

Advisories
More

https://security.gentoo.org/glsa/201607-02

https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731

https://access.redhat.com/errata/RHSA-2016:1132

http://www.securityfocus.com/bid/82990

http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html

http://www.openwall.com/lists/oss-security/2015/11/29/1

http://www-01.ibm.com/support/docview.wss?uid=isg3T1023886

http://rhn.redhat.com/errata/RHSA-2016-2750.html

http://rhn.redhat.com/errata/RHSA-2016-1025.html

http://lists.fedoraproject.org/pipermail/package-announce/2016-January/174931.html

https://security.netapp.com/advisory/ntap-20230216-0002/

https://euvd.enisa.europa.eu/vulnerability/EUVD-2015-8273

https://bto.bluecoat.com/security-advisory/sa128

http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup

Details

Source: Mitre, NVD

Published: 2015-12-02

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 9

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:C

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.06404