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CVE-2026-28815

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:61cc4323d38074bc45e7e307d39b607dc32ca5f45a28ef9b8f4641bb14ddf1a9
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"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.","lang":"en"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:02e8f5f6bb359a75ea66717847d3e84e3f51d18228e07204a2c028d938e03732 · sha256:5d4c375d65da606f… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-125","description":"CWE-125 Out-of-bounds Read","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:02e8f5f6bb359a75ea66717847d3e84e3f51d18228e07204a2c028d938e03732 · sha256:5d4c375d65da606f… · /containers/adp/0/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"macOS","vendor":"Apple","versions":[{"lessThan":"4.3.1","status":"affected","version":"4.0.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:02e8f5f6bb359a75ea66717847d3e84e3f51d18228e07204a2c028d938e03732 · sha256:5d4c375d65da606f… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:02e8f5f6bb359a75ea66717847d3e84e3f51d18228e07204a2c028d938e03732 · sha256:5d4c375d65da606f… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"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.","lang":"en"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:02e8f5f6bb359a75ea66717847d3e84e3f51d18228e07204a2c028d938e03732 · sha256:5d4c375d65da606f… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-125","description":"CWE-125 Out-of-bounds Read","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:02e8f5f6bb359a75ea66717847d3e84e3f51d18228e07204a2c028d938e03732 · sha256:5d4c375d65da606f… · /containers/adp/0/problemTypes/0/descriptions/0

Source references

1 source assertion
{"url":"https://github.com/apple/swift-crypto/security/advisories/GHSA-9m44-rr2w-ppp7"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:02e8f5f6bb359a75ea66717847d3e84e3f51d18228e07204a2c028d938e03732 · sha256:5d4c375d65da606f… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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