Threats Tagged 'cve-2026-43820'
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Threats Tagged 'cve-2026-43820'
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CVE-2026-43820: NIOSSLCertificate._subjectAlternativeNames provides access to the raw bytes for a cert's SANs. NIOSSL provides access to a buffer assumed to be backed by an ASN1_STRING, but not all SANs are backed by ASN1_STRING, so accessing the buffer for such a type can lead to out-of-bounds memory access. in Apple swift-nio-sslCVE-2026-43820 0 A vulnerability in Apple swift-nio-ssl's NIOSSLCertificate._subjectAlternativeNames allows access to raw bytes of a certificate's Subject Alternative Names (SANs). The issue arises because NIOSSL assumes the buffer is backed by an ASN1_STRING, but some SAN types are not, leading to potential out-of-bounds memory access. This flaw is fixed in swift-nio-ssl version 2.37.2. Join the discussion | CVE Database V5 | 07/23/2026, 14:33:20 UTC Added: 07/23/2026, 15:08:37 UTC |
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