CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
EPSS
Percentile
92.2%
Perl-Compatible Regular Expression (PCRE) library before 7.3 allows
context-dependent attackers to cause a denial of service (crash) and
possibly execute arbitrary code via regex patterns containing unmatched
“\Q\E” sequences with orphan “\E” codes.