Description
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 7.7EPSS 0.078%Risk 0.78
View source- Published
- 2026-07-23 15:17:05
- Affected versions
- <2.37.2
- Type
- Library
- Last modified
- 2026-07-24 21:16:44
- Vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H