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.
Advisories
Source ID Title
Github GHSA Github GHSA GHSA-9m44-rr2w-ppp7 Swift Crypto: X-Wing HPKE Decapsulation Accepts Malformed Ciphertext Length
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Fri, 03 Apr 2026 02:45:00 +0000

Type Values Removed Values Added
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.
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: apple

Published:

Updated: 2026-04-03T01:32:59.037Z

Reserved: 2026-03-03T16:36:03.967Z

Link: CVE-2026-28815

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-04-03T03:16:18.093

Modified: 2026-04-03T03:16:18.093

Link: CVE-2026-28815

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses

No weakness.