CVE-2026-46387
Description
A flaw was found in Suricata, a network Intrusion Detection System, Intrusion Prevention System, and Network Security Monitoring engine. A remote attacker could send a specially crafted HTTP/2 DATA payload with a high compression ratio. This could cause Suricata's HTTP/2 decompression path to allocate excessive memory, leading to a denial of service.
Statement
Red Hat Product Security has determined that this vulnerability does not affect any currently supported Red Hat product. This assessment may evolve based on further analysis and discovery. For more information about this vulnerability and the products it affects, please see the linked references.
Understanding the Weakness (CWE)
Availability
Technical Impact: DoS: Amplification; DoS: Crash, Exit, or Restart; DoS: Resource Consumption (CPU); DoS: Resource Consumption (Memory)
System resources, CPU and memory, can be quickly consumed. This can lead to poor system performance or system crash.
Frequently Asked Questions
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