CVE-2017-2356

mediumpriority · track · 36EPSS 0.019 · 80 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.95% (80th) EPSS

CVSS 6.8 · medium

Is it mine?

7 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

An issue was discovered in certain Apple products. iOS before 10.2.1 is affected. Safari before 10.0.3 is affected. iCloud before 6.1.1 is affected. iTunes before 12.5.5 is affected. tvOS before 10.1.1 is affected. The issue involves the "WebKit" component. It allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site.

cvss

Technical severity, 0–10. One row per scoring source.

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.8–8.8

v2.06.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 8.6 · impact 6.4

v3.08.8highCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.08.1highCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USprimary

affected products (7)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
apple icloud< 6.1.1nvdUScpe:2.3:a:apple:icloud:*:*:*:*:*:*:*:*
apple iphone os< 10.2.1nvdUScpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
apple itunes< 12.5.5nvdUScpe:2.3:a:apple:itunes:*:*:*:*:*:*:*:*
apple safari< 10.0.3nvdUScpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
apple tvos< 10.1.1nvdUScpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
webkitgtk webkitgtk+< 2.16.3nvdUScpe:2.3:a:webkitgtk:webkitgtk\+:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2017-02-20modified 2026-06-17

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+21023 more

references (25)

External citations — patches, advisories, analysis.

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