What’s Vulnerable › Vulnerabilities
CVE-2026-28815
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2026-04-03 · updated 2026-07-24
- Weakness: CWE-125
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.
Affected products
- Apple swift-crypto: from 4.0.0 before 4.3.1 — fixed in 4.3.1
How to fix
Upgrade to a fixed version: Apple swift-crypto 4.3.1. Check the vendor advisory for mitigations.
References
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