CVE-2026-28815

CVE-2026-28815 concerns Swift Crypto’s X-Wing HPKE decapsulation path. The issue arises when an attacker-supplied encapsulatedKey is shorter than the required 1120 bytes; the implementation forwards the data to a C API without runtime length validation, enabling an out-of-bounds read in the decap...

CVE-2026-28815

A remote attacker can supply a short X-Wing HPKE encapsulated key and trigger an out-of-bounds read in the C decapsulation path, potentially causing a crash or memory disclosure depending on runtime protections. This issue is fixed in swift-crypto version 4.3.1...