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CVE-2015-8391

Published: Dec 2, 2015Updated: May 6, 2026 Sources: CVE List NVD BDUCWE-119
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
6.4%
Top 7.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-119

Affected Products

n/an/a
FedoraFedora Project
On-premOS
Operating Systems / linux-distro
Oracle LinuxOracle Corp.
On-premOS
Operating Systems / linux-distro
Red Hat Software CollectionsRed Hat Inc.
On-prem
Operating Systems / linux-distro
Red Hat JBoss Enterprise Web ServerRed Hat Inc.
On-prem
Operating Systems / linux-distro
fedora projectoss-projectUSOperating Systemsaka fedora
oracle corp.commercialUSDatabasesaka oracle
red hat inc.commercialUSOperating Systemsaka red hat
and 12 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

http://www.openwall.com/lists/oss-security/2015/11/29/1
openwall.com
https://access.redhat.com/errata/RHSA-2016:1132
access.redhat.com
http://www.securityfocus.com/bid/82990
securityfocus.com
and 13 more references View all →

Timeline

Published
Dec 2, 2015
Last Updated
May 6, 2026

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