CVE-2026-112381Medium· 5.9▾ SunlitApache Traffic Server can crash with a null pointer dereference when a client POST request is torn down via half-close while a chunked origin response is being reparsed from a reentrant write-ready callback, a timing-dependent race intro…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 32.5 · likelihood 0 · exploitation 0
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Apache Traffic Server can crash with a null pointer dereference when a client POST request is torn down via half-close while a chunked origin response is being reparsed from a reentrant write-ready callback, a timing-dependent race introduced by the CVE-2021-32564 flow-control backports.
This issue affects Apache Traffic Server: 9.2.15, 10.1.4, 10.2.0.
Users are recommended to upgrade to version 9.2.16, 10.1.5, or 10.2.1, which fix the issue.
apache_traffic_server 9.2.15apache_traffic_server 10.1.4apache_traffic_server 10.2.0Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-111805High· 8.6Apache Traffic Server: HTTP/2 Content-Length truncation lets a client trigger backend worker-pool exhaustion
CVE-2026-111815Critical· 10.0Apache Traffic Server: TLS session ticket resumption bypasses per-SNI verify_client STRICT enforcement
CVE-2026-111808High· 8.6Apache Traffic Server: HTTP/2 DATA frame padding underflow lets a client trigger backend worker-pool exhaustion
CVE-2026-111810High· 7.5Apache Traffic Server: Unthrottled per-header diagnostic logging enables a log-flood denial of service
CVE-2026-111809Critical· 9.3Apache Traffic Server: HEAD requests carrying Content-Length or Transfer-Encoding enable request smuggling
CVE-2026-111814Critical· 10.0Apache Traffic Server: Default server_session_sharing.match omits MASK_CERT, allowing pooled mTLS identity confusion at the origin