High severity7.5NVD Advisory· Published Apr 3, 2026· Updated Apr 13, 2026
CVE-2026-28815
CVE-2026-28815
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
swift-cryptoSwiftURL | >= 4.0.0, < 4.3.1 | 4.3.1 |
Affected products
2Patches
Vulnerability mechanics
References
3- github.com/apple/swift-crypto/security/advisories/GHSA-9m44-rr2w-ppp7nvdExploitVendor AdvisoryWEB
- github.com/advisories/GHSA-9m44-rr2w-ppp7ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-28815ghsaADVISORY
News mentions
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