Threats Tagged 'cve-2026-73253'
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Threats Tagged 'cve-2026-73253'
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CVE-2026-73253: CWE-295: Improper Certificate Validation in cesanta mongooseCVE-2026-73253 0 Mongoose is an embedded web server and network library. Prior to version 7.22, an on-path network attacker with a wildcard certificate for a parent domain can impersonate deeper subdomains to a client using the built-in TLS stack. The mg_tls_verify_cert_san() and mg_tls_verify_cert_cn() functions in src/tls_builtin.c call mg_match(), whose wildcard can cross DNS label boundaries, so a pattern such as *.example.com can match foo.bar.example.com. The resulting hostname verification bypass permits interception and modification of TLS traffic. This issue is fixed in version 7.22. Join the discussion | CVE Database V5 | 08/20/2026, 17:41:02 UTC Added: 08/20/2026, 17:52:46 UTC |
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