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PatchSiren cyber security CVE debrief

CVE-2016-4613 Apple CVE debrief

CVE-2016-4613 is a medium-severity Apple WebKit information-disclosure issue affecting multiple Apple products. According to the NVD record, a remote attacker could use a crafted website to obtain sensitive information from affected installations. The vulnerability is listed for Safari, iCloud, iTunes, and tvOS/Apple TV versions prior to the fixed releases noted in the CVE data.

Vendor
Apple
Product
Unknown
CVSS
MEDIUM 6.5
CISA KEV
Not listed in stored evidence
Original CVE published
2017-02-20
Original CVE updated
2026-05-13
Advisory published
2017-02-20
Advisory updated
2026-05-13

Who should care

Organizations and individuals running affected Apple software versions, especially environments that rely on Safari or Apple media/cloud applications and where users may browse untrusted websites. Security teams managing Apple endpoints should prioritize patch verification for the specific version ranges listed in the CVE record.

Technical summary

The NVD entry classifies the issue as CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor) with CVSS v3.0 vector CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N. The vulnerable products and version ranges listed in the supplied corpus are Safari through 10.0.0, iCloud through 6.0.0, iTunes through 12.5.1, and Apple TV 10.0.0/tvOS 10.0.0. The available source material does not include the Apple advisory text itself, so the debrief is limited to the NVD/CVE record and reference listings.

Defensive priority

Medium. The issue requires user interaction and is limited to confidentiality impact, but it affects widely used Apple client software and is triggered through web content, so patching should still be treated as important for exposed endpoints.

Recommended defensive actions

  • Upgrade Safari to 10.0.1 or later on affected systems.
  • Upgrade iCloud to 6.0.1 or later where applicable.
  • Upgrade iTunes to 12.5.2 or later where applicable.
  • Upgrade tvOS/Apple TV to 10.0.1 or later.
  • Verify fleet inventory for the affected version ranges listed in the NVD CPE criteria before and after remediation.
  • Treat this as a confidentiality-focused issue and review endpoint exposure to untrusted web content until remediation is confirmed.

Evidence notes

All claims here are drawn from the supplied CVE/NVD corpus: the CVE description states the issue affects Apple products via the WebKit component and a crafted website can disclose sensitive information; the NVD metadata supplies the affected CPE version ranges, CVSS vector, and CWE-200 classification. The source corpus references Apple support advisories and third-party listings, but their contents were not included, so no additional advisory-specific claims are made.

Sources and references

Verified primary and authoritative sources

  • CVE-2016-4613 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2016-4613

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2016-4613 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2016-4613

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.