The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applicationsUpgrade envoyproxy/envoy
to version 1.29.2 or higher.
Affected versions of this package are vulnerable to Detection of Error Condition Without Action due to HTTP/2 codec not resetting a request when header map limits have been exceeded. This allows an attacker to send an sequence of CONTINUATION
frames without the END_HEADERS
bit set causing unlimited memory consumption.
Note:
Common detection causes:
Abnormal process termination due to memory exhaustion.
Memory profiles showing high memory consumption in HTTP/2 codec.
Downgrade to version 1.28.1 or earlier or disable HTTP/2 protocol for downstream connections.