๐Ÿ” CVE Alert

CVE-2026-28815

HIGH 7.5
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
4th

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.

Vendor apple
Product macos
Ecosystems
Industries
Technology
Published Apr 3, 2026
Last Updated Apr 3, 2026
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Affected Versions

Apple / macOS
4.0.0 < 4.3.1

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
github.com: https://github.com/apple/swift-crypto/security/advisories/GHSA-9m44-rr2w-ppp7