CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
EPSS
Percentile
93.2%
Perl-Compatible Regular Expression (PCRE) library before 6.7 does not
properly calculate the compiled memory allocation for regular expressions
that involve a quantified “subpattern containing a named recursion or
subroutine reference,” which allows context-dependent attackers to cause a
denial of service (error or crash).