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CVE PROGRAM SOURCE RECORD8.2 High

CVE-2026-65324

Apache Traffic Server: HTTP/2 and HTTP/3 dechunking removes per-stream buffer cap, allowing memory exhaustion

Description

Apache Traffic Server drops the per-stream buffer cap when dechunking HTTP/2 or HTTP/3 responses, letting a slow client exhaust server memory. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Apache Software Foundation Apache Traffic Server

Default version status: unaffected

  • 8.0.0 to ≤ 8.1.11affected
  • 9.0.0 to ≤ 9.2.14affected
  • 10.0.0 to ≤ 10.1.3affected

References