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CVE-2026-43666

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. An attacker on the local network may be able to cause a denial-of-service.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:4dd760a56e0244f9cedee408fe710a08e07533a1faba1fd34d37205f11c51093
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 5 assertions

{"product":"tvOS","vendor":"Apple","versions":[{"lessThan":"26.5","status":"affected","version":"0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cb3ee9253ad63e8803cad245082aa1468ec9f742534bf1fb02d637ebdb262619 · sha256:d7605709d9c2d685… · /containers/cna/affected/2

{"product":"watchOS","vendor":"Apple","versions":[{"lessThan":"26.5","status":"affected","version":"0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cb3ee9253ad63e8803cad245082aa1468ec9f742534bf1fb02d637ebdb262619 · sha256:d7605709d9c2d685… · /containers/cna/affected/4

{"product":"macOS","vendor":"Apple","versions":[{"lessThan":"14.8.7","status":"affected","version":"0","versionType":"custom"},{"lessThan":"15.7.7","status":"affected","version":"0","versionType":"custom"},{"lessThan":"26.5","status":"affected","version":"0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cb3ee9253ad63e8803cad245082aa1468ec9f742534bf1fb02d637ebdb262619 · sha256:d7605709d9c2d685… · /containers/cna/affected/1

{"product":"iOS and iPadOS","vendor":"Apple","versions":[{"lessThan":"18.7.9","status":"affected","version":"0","versionType":"custom"},{"lessThan":"26.5","status":"affected","version":"0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cb3ee9253ad63e8803cad245082aa1468ec9f742534bf1fb02d637ebdb262619 · sha256:d7605709d9c2d685… · /containers/cna/affected/0

{"product":"visionOS","vendor":"Apple","versions":[{"lessThan":"26.5","status":"affected","version":"0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cb3ee9253ad63e8803cad245082aa1468ec9f742534bf1fb02d637ebdb262619 · sha256:d7605709d9c2d685… · /containers/cna/affected/3
cwe · 2 assertions

{"cweId":"CWE-787","description":"CWE-787 Out-of-bounds Write","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:cb3ee9253ad63e8803cad245082aa1468ec9f742534bf1fb02d637ebdb262619 · sha256:d7605709d9c2d685… · /containers/adp/0/problemTypes/0/descriptions/0

{"description":"An attacker on the local network may be able to cause a denial-of-service","lang":"en"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:cb3ee9253ad63e8803cad245082aa1468ec9f742534bf1fb02d637ebdb262619 · sha256:d7605709d9c2d685… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

5 source assertions
{"product":"tvOS","vendor":"Apple","versions":[{"lessThan":"26.5","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cb3ee9253ad63e8803cad245082aa1468ec9f742534bf1fb02d637ebdb262619 · sha256:d7605709d9c2d685… · /containers/cna/affected/2
{"product":"watchOS","vendor":"Apple","versions":[{"lessThan":"26.5","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cb3ee9253ad63e8803cad245082aa1468ec9f742534bf1fb02d637ebdb262619 · sha256:d7605709d9c2d685… · /containers/cna/affected/4
{"product":"macOS","vendor":"Apple","versions":[{"lessThan":"14.8.7","status":"affected","version":"0","versionType":"custom"},{"lessThan":"15.7.7","status":"affected","version":"0","versionType":"custom"},{"lessThan":"26.5","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cb3ee9253ad63e8803cad245082aa1468ec9f742534bf1fb02d637ebdb262619 · sha256:d7605709d9c2d685… · /containers/cna/affected/1
{"product":"iOS and iPadOS","vendor":"Apple","versions":[{"lessThan":"18.7.9","status":"affected","version":"0","versionType":"custom"},{"lessThan":"26.5","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cb3ee9253ad63e8803cad245082aa1468ec9f742534bf1fb02d637ebdb262619 · sha256:d7605709d9c2d685… · /containers/cna/affected/0
{"product":"visionOS","vendor":"Apple","versions":[{"lessThan":"26.5","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cb3ee9253ad63e8803cad245082aa1468ec9f742534bf1fb02d637ebdb262619 · sha256:d7605709d9c2d685… · /containers/cna/affected/3

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":6.2,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/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:cb3ee9253ad63e8803cad245082aa1468ec9f742534bf1fb02d637ebdb262619 · sha256:d7605709d9c2d685… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-787","description":"CWE-787 Out-of-bounds Write","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:cb3ee9253ad63e8803cad245082aa1468ec9f742534bf1fb02d637ebdb262619 · sha256:d7605709d9c2d685… · /containers/adp/0/problemTypes/0/descriptions/0
{"description":"An attacker on the local network may be able to cause a denial-of-service","lang":"en"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:cb3ee9253ad63e8803cad245082aa1468ec9f742534bf1fb02d637ebdb262619 · sha256:d7605709d9c2d685… · /containers/cna/problemTypes/0/descriptions/0

Source references

8 source assertions
{"url":"https://support.apple.com/en-us/127110"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cb3ee9253ad63e8803cad245082aa1468ec9f742534bf1fb02d637ebdb262619 · sha256:d7605709d9c2d685… · /containers/cna/references/0
{"url":"https://support.apple.com/en-us/127111"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cb3ee9253ad63e8803cad245082aa1468ec9f742534bf1fb02d637ebdb262619 · sha256:d7605709d9c2d685… · /containers/cna/references/1
{"url":"https://support.apple.com/en-us/127115"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cb3ee9253ad63e8803cad245082aa1468ec9f742534bf1fb02d637ebdb262619 · sha256:d7605709d9c2d685… · /containers/cna/references/2
{"url":"https://support.apple.com/en-us/127116"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cb3ee9253ad63e8803cad245082aa1468ec9f742534bf1fb02d637ebdb262619 · sha256:d7605709d9c2d685… · /containers/cna/references/3
{"url":"https://support.apple.com/en-us/127117"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cb3ee9253ad63e8803cad245082aa1468ec9f742534bf1fb02d637ebdb262619 · sha256:d7605709d9c2d685… · /containers/cna/references/4
{"url":"https://support.apple.com/en-us/127118"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cb3ee9253ad63e8803cad245082aa1468ec9f742534bf1fb02d637ebdb262619 · sha256:d7605709d9c2d685… · /containers/cna/references/5
{"url":"https://support.apple.com/en-us/127119"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cb3ee9253ad63e8803cad245082aa1468ec9f742534bf1fb02d637ebdb262619 · sha256:d7605709d9c2d685… · /containers/cna/references/6
{"url":"https://support.apple.com/en-us/127120"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cb3ee9253ad63e8803cad245082aa1468ec9f742534bf1fb02d637ebdb262619 · sha256:d7605709d9c2d685… · /containers/cna/references/7

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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