CVE-2015-3210

Public Exploit

Description

Heap-based buffer overflow in PCRE 8.34 through 8.37 and PCRE2 10.10 allows remote attackers to execute arbitrary code via a crafted regular expression, as demonstrated by /^(?P=B)((?P=B)(?J:(?P<B>c)(?P<B>a(?P=B)))>WGXCREDITS)/, a different vulnerability than CVE-2015-8384.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 7.20% Top 10%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory exim.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/errata/RHSA-2016:1132 third party advisory vendor advisory
http://www.securityfocus.com/bid/74934 vdb entry third party advisory broken link
http://rhn.redhat.com/errata/RHSA-2016-2750.html third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2015/06/01/7 mailing list
http://www.openwall.com/lists/oss-security/2015/12/02/11 mailing list
https://bugs.exim.org/show_bug.cgi?id=1636 issue tracking exploit vendor advisory

Frequently Asked Questions

What is the severity of CVE-2015-3210?
CVE-2015-3210 has been scored as a critical severity vulnerability.
How to fix CVE-2015-3210?
To fix CVE-2015-3210, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-3210 being actively exploited in the wild?
It is possible that CVE-2015-3210 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~7% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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