The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.
Details
EPSS Score
ⓘ
100.00%
100th percentile
Confidence
100%
Published
Oct 10, 2023
Last Modified
Jul 14, 2026
CISA KEV
Date Added
Oct 10, 2023
Patch Due
Oct 31, 2023
Required Action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.