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out-of-bounds-read

CVE-2026-28815

swift-crypto

High

CVSS Details

CVSS Score
7.5 HIGH
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-125 Out-of-bounds Read

Description

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.

Disclosure Date

Public Disclosure
April 2, 2026