| Package | Affected versions | Patched versions |
|---|---|---|
| haproxy | = 1.4= 1.4.0= 1.4.1= 1.4.10= 1.4.11= 1.4.12= 1.4.13= 1.4.14= 1.4.15= 1.4.16= 1.4.17= 1.4.18= 1.4.19= 1.4.2= 1.4.20= 1.4.21= 1.4.22= 1.4.23= 1.4.3= 1.4.4= 1.4.5= 1.4.6= 1.4.7= 1.4.8= 1.4.9= 1.5 | |
| enterprise linux load balancer | = 6.0= 6.4 |
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.
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