Threats Tagged 'cve-2026-3849'
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Threats Tagged 'cve-2026-3849'
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CVE-2026-3849: CWE-787: Out-of-bounds Write in wolfSSL Inc. wolfSSLCVE-2026-3849 0 Stack Buffer Overflow in wc_HpkeLabeledExtract via Oversized ECH Config. A vulnerability existed in wolfSSL 5.8.4 ECH (Encrypted Client Hello) support, where a maliciously crafted ECH config could cause a stack buffer overflow on the client side, leading to potential remote execution and client program crash. This could be exploited by a malicious TLS server supporting ECH. Note that ECH is off by default, and is only enabled with enable-ech. Join the discussion | CVE Database V5 | 03/19/2026, 20:29:30 UTC Added: 03/20/2026, 01:40:52 UTC |
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