Apple: >> Swiftnio Ssl >> 2.22.0 Security Vulnerabilities
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. This vulnerability is addressed in swift-nio-ssl version 2.37.2.
CVSS Score
7.7
EPSS Score
0.001
Published
2026-07-23