Denial of Service Vulnerability in PCRE by Vendor Group
CVE-2015-8389

9.8CRITICAL

Key Information:

Vendor

Pcre

Status
Perl Compatible Regular Expression Library
Vendor
CVE Published:
2 December 2015

What is CVE-2015-8389?

The PCRE library versions prior to 8.38 are vulnerable to a denial of service due to flaws in the handling of specific regular expression patterns. Attackers can exploit this vulnerability by crafting malicious regular expressions that trigger infinite recursion when processed. This may lead to application crashes or unresponsive services, impacting the availability of applications utilizing this library, such as web browsers and other software dependent on regex functionality.

References

http://www.openwall.com/lists/oss-security/2015/11/29/1
mailing-list
http://www.securityfocus.com/bid/82990
vdb-entry
http://lists.fedoraproject.org/pipermail/package-announce...
vendor-advisory

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.