Swiftnio SSL vulnerabilities

1 known vulnerability in Swiftnio SSL from Apple. 1 is rated high or critical. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.

Latest first

• 7.7 High severity

  swift-nio-ssl: Out-of-bounds Read

  CVE-2026-43820Jul 23, 2026Apple

  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 le