5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.04 Low
EPSS
Percentile
92.0%
HAProxy 1.4 before 1.4.24 and 1.5 before 1.5-dev19, when configured to use
hdr_ip or other “hdr_*” functions with a negative occurrence count, allows
remote attackers to cause a denial of service (negative array index usage
and crash) via an HTTP header with a certain number of values, related to
the MAX_HDR_HISTORY variable.