CVE-2016-10222 — runtime/JSONObject.cpp in JavaScriptCore in WebKit, as distributed in Safari Technology Preview Release 18, allows remote attackers to cause a denial of service (segmentation violation and application crash) via crafted JavaScript code that triggers a "type confusion" in the JSON.stringify function

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HIGH

runtime/JSONObject.cpp in JavaScriptCore in WebKit, as distributed in Safari Technology Preview Release 18, allows remote attackers to cause a denial of service (segmentation violation and application crash) via crafted JavaScript code that triggers a "type confusion" in the JSON.stringify function

Published Apr 3, 2017

7.5

HIGH

CVSS 3.0

EPSS 1.72%

Description

runtime/JSONObject.cpp in JavaScriptCore in WebKit, as distributed in Safari Technology Preview Release 18, allows remote attackers to cause a denial of service (segmentation violation and application crash) via crafted JavaScript code that triggers a "type confusion" in the JSON.stringify function.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.72% 0.01724

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.01724

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (10 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	1.72% (0.01724)	76.69th	v5 (v2026.06.15)
Jun 15, 2026	1.72% (0.01724)	74.49th	v5 (v2026.06.15)
Mar 17, 2025	0.46% (0.00464)	62.22th	v4 (v2025.03.14)
Dec 12, 2024	0.23% (0.00227)	61.79th	v3 (v2023.03.01)
Jun 14, 2024	0.23% (0.00227)	61.07th	v3 (v2023.03.01)
Mar 7, 2023	0.23% (0.00227)	59.04th	v3 (v2023.03.01)
Mar 6, 2023	1.05% (0.01055)	52.13th	v2 (v2022.01.01)
Sep 17, 2022	1.05% (0.01055)	50.47th	v2 (v2022.01.01)
Apr 1, 2022	1.05% (0.01055)	48.43th	v2 (v2022.01.01)
Feb 4, 2022	1.05% (0.01055)	27.52th	v2 (v2022.01.01)

Weaknesses (1)

CWE-20

Improper Input Validation

References (2)

http://trac.webkit.org/changeset/208123
x_refsource_CONFIRMIssue TrackingThird Party Advisory
https://bugs.webkit.org/show_bug.cgi?id=164123
x_refsource_CONFIRMIssue TrackingThird Party Advisory

Link	Providers	Tags
http://trac.webkit.org/changeset/208123		x_refsource_CONFIRMIssue TrackingThird Party Advisory
https://bugs.webkit.org/show_bug.cgi?id=164123		x_refsource_CONFIRMIssue TrackingThird Party Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Apr 3, 2017

Updated Aug 6, 2024

Reserved Feb 9, 2017

Link CVE-2016-10222

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2016-10222

Red Hat

Severity n/a

Public date n/a

Links CVE-2016-10222