CVE-2015-3210

high-risk
Published 2016-12-13

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.

Do I need to act?

~
5.7% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (5)

Pcre
Pcre
Pcre2
Pcre
Pcre

Affected Vendors

Pcre

References (12)

Third Party Advisory http://rhn.redhat.com/errata/RHSA-2016-2750.html
Mailing List http://www.openwall.com/lists/oss-security/2015/06/01/7
Mailing List http://www.openwall.com/lists/oss-security/2015/12/02/11
Broken Link http://www.securityfocus.com/bid/74934
Third Party Advisory https://access.redhat.com/errata/RHSA-2016:1132
Exploit https://bugs.exim.org/show_bug.cgi?id=1636
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2016-2750.html
Mailing List http://www.openwall.com/lists/oss-security/2015/06/01/7
Mailing List http://www.openwall.com/lists/oss-security/2015/12/02/11
Broken Link http://www.securityfocus.com/bid/74934
Third Party Advisory https://access.redhat.com/errata/RHSA-2016:1132
Exploit https://bugs.exim.org/show_bug.cgi?id=1636
53
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 9/34 · Low
Exposure 12/34 · Low