Denial of Service Vulnerability in PCRE Library by Vendor PCR
CVE-2015-8390

9.8CRITICAL

Key Information:

Vendor

Pcre

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

What is CVE-2015-8390?

The PCRE library prior to version 8.38 is vulnerable to a buffer overflow flaw that mishandles the [: and \ substrings within character classes. This vulnerability may allow remote attackers to exploit crafted regular expressions, leading to denial of service through uninitialized memory reads. Such exploits have been demonstrated in various environments, including web browsers like Konqueror, posing risks that extend beyond mere service interruption.

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

.