CVE-2016-3191

high-risk
Published 2016-03-17

The compile_branch function in pcre_compile.c in PCRE 8.x before 8.39 and pcre2_compile.c in PCRE2 before 10.22 mishandles patterns containing an (*ACCEPT) substring in conjunction with nested parentheses, which allows remote attackers to execute arbitrary code or cause a denial of service (stack-based buffer overflow) via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror, aka ZDI-CAN-3542.

Do I need to act?

!
11.3% chance of exploitation in next 30 days
EPSS score — higher than 89% of all CVEs
-
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 (19)

Pcre
Pcre
Pcre
Pcre
Pcre
Pcre
Pcre
Pcre
Pcre
Pcre
Pcre
Pcre
Pcre
Pcre
Pcre
Pcre
Pcre
Pcre
Pcre2

Affected Vendors

62
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 11/34 · Low
Exposure 19/34 · Moderate