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CVE-2026-28858

A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.4 and iPadOS 26.4. A remote user may be able to cause unexpected system termination or corrupt kernel memory.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:7fe8cc8310bdeb2475844c7af927889209c43c9551515ca1cdc3fb9340d1b877
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

{"cweId":"CWE-120","description":"CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:8a6cc27fe4983f7246a2820605413555e7657037fae03c31548f9b9c6b4c27c1 · sha256:65ae4201090bea0f… · /containers/adp/0/problemTypes/0/descriptions/0

{"description":"A remote user may be able to cause unexpected system termination or corrupt kernel memory","lang":"en"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:8a6cc27fe4983f7246a2820605413555e7657037fae03c31548f9b9c6b4c27c1 · sha256:65ae4201090bea0f… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"iOS and iPadOS","vendor":"Apple","versions":[{"lessThan":"26.4","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8a6cc27fe4983f7246a2820605413555e7657037fae03c31548f9b9c6b4c27c1 · sha256:65ae4201090bea0f… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:8a6cc27fe4983f7246a2820605413555e7657037fae03c31548f9b9c6b4c27c1 · sha256:65ae4201090bea0f… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-120","description":"CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:8a6cc27fe4983f7246a2820605413555e7657037fae03c31548f9b9c6b4c27c1 · sha256:65ae4201090bea0f… · /containers/adp/0/problemTypes/0/descriptions/0
{"description":"A remote user may be able to cause unexpected system termination or corrupt kernel memory","lang":"en"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:8a6cc27fe4983f7246a2820605413555e7657037fae03c31548f9b9c6b4c27c1 · sha256:65ae4201090bea0f… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"url":"https://support.apple.com/en-us/126792"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8a6cc27fe4983f7246a2820605413555e7657037fae03c31548f9b9c6b4c27c1 · sha256:65ae4201090bea0f… · /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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