5.1 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
HIGH
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:H/Au:N/C:P/I:P/A:P
0.948 High
EPSS
Percentile
99.3%
Heap-based buffer overflow in the php_parserr function in
ext/standard/dns.c in PHP 5.6.0beta4 and earlier allows remote servers to
cause a denial of service (crash) and possibly execute arbitrary code via a
crafted DNS TXT record, related to the dns_get_record function.