HTTP/2 Protocol Decoder Out-of-Bounds Read Vulnerability in HAProxy 1.8.x and 1.9.x

CVE-2018-20615 · MEDIUM Severity

AV:N/AC:L/AU:N/C:N/I:N/A:P

An out-of-bounds read issue was discovered in the HTTP/2 protocol decoder in HAProxy 1.8.x and 1.9.x through 1.9.0 which can result in a crash. The processing of the PRIORITY flag in a HEADERS frame requires 5 extra bytes, and while these bytes are skipped, the total frame length was not re-checked to make sure they were present in the frame.

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