Threats Tagged 'cve-2026-40396'
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Threats Tagged 'cve-2026-40396'
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CVE-2026-40396: CWE-670 Always-Incorrect Control Flow Implementation in varnish-software Varnish CacheCVE-2026-40396 0 Varnish Cache version 9. 0. 0 contains a vulnerability that allows a denial of service via a workspace overflow leading to a daemon panic. This occurs when a malicious client sends an HTTP/1 request, waits for the session to release its worker thread (timeout_linger), and then resumes traffic before the session closes (timeout_idle), sending multiple requests simultaneously to trigger pipelining. The issue stems from incomplete handling of workspace rollback during pipelining, causing prefetched data to exceed workspace limits and crash the server. Join the discussion | CVE Database V5 | 04/12/2026, 19:23:03 UTC Added: 04/12/2026, 19:31:50 UTC |
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