Threats Tagged 'cve-2026-84783'
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Threats Tagged 'cve-2026-84783'
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OpenSSL 4.0 contains a use-after-free vulnerability (CVE-2026-84783) in the handling of cached X.509 certificate extension data when the same certificate is concurrently used by multiple threads. This can cause a denial of service via process crash in multi-threaded TLS clients or servers that verify client certificates. The issue affects only OpenSSL 4.0 and is fixed in version 4.0.3. Earlier OpenSSL versions are not affected. Join the discussion | GCVE Database | 09/29/2026, 18:31:45 UTC Added: 09/29/2026, 21:04:03 UTC |
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