CVE-2023-32439

highpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.240 · 98 %ileDEEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV

Likely / severe?

24.0% (98th) EPSS

CVSS 8.8 · high

Is it mine?

20 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

added 2023-06-23remediate by 2023-07-14

required action Apply updates per vendor instructions.

EPSS · scored 2026-10-27

Apple Multiple Products WebKit Type Confusion Vulnerability

A type confusion issue was addressed with improved checks. This issue is fixed in iOS 16.5.1 and iPadOS 16.5.1, iOS 15.7.7 and iPadOS 15.7.7, macOS Ventura 13.4.1, Safari 16.5.1. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

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 · 6.3–8.8

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.16.3mediumAV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:Lsecondary · FSTEC (BDU) RU

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondaryexploitability 2.8 · impact 5.9

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-843USprimaryCWE-843US

affected products (20)

Products and version ranges known to be affected.

Juniper JUNOSall versionscert_bundDEcpe:/o:juniper:junos:-
Apple Safariunspecified → 16.5enisa_euvdEU
Apple iOS and iPadOSunspecified → 15.7enisa_euvdEU
Apple iOS and iPadOSunspecified → 16.5enisa_euvdEU
Apple macOSunspecified → 13.4enisa_euvdEU
Apple Inc. MacOS≤ 13.4.1fstec_bduRU
Apple Inc. Safari≤ 16.5.1fstec_bduRU
Apple Inc. iOS≤ 15.7.7fstec_bduRU
Apple Inc. iOS≤ 16.5.1fstec_bduRU
Apple Inc. iPadOS≤ 15.7.7fstec_bduRU
Apple Inc. iPadOS≤ 16.5.1fstec_bduRU
ООО «РусБИТех-Астра» Astra Linux Special Edition≤ 1.7fstec_bduRU
ООО «РусБИТех-Астра» Astra Linux Special Edition≤ 4.7fstec_bduRU
apple ipados< 15.7.7nvdUScpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
apple ipados16.0 → 16.5.1nvdUScpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
apple iphone os< 15.7.7nvdUScpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
apple iphone os16.0 → 16.5.1nvdUScpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
apple macos13.0 → 13.4.1nvdUScpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
apple safari< 16.5.1nvdUScpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
webkitgtk webkitgtk+< 2.42.3nvdUScpe:2.3:a:webkitgtk:webkitgtk\+:*:*:*:*:*:*:*:*

advisories (5)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-1532Apple Safari: Schwachstelle ermöglicht CodeausführungDeutsch2023-06-21csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Apple Safari ausnutzen, um beliebigen Programmcode auszuführen.
WID-SEC-W-2023-1535Apple macOS: Mehrere Schwachstellen ermöglichen Ausführen von beliebigem Programmcode mit AdministratorrechtenDeutsch2023-06-21csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Apple macOS ausnutzen, um beliebigen Programmcode mit Administratorrechten auszuführen.
WID-SEC-W-2023-1537Apple iOS: Mehrere Schwachstellen ermöglichen Ausführen von beliebigem Programmcode mit AdministratorrechtenDeutsch2023-06-21csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Apple iOS und Apple iPadOS ausnutzen, um beliebigen Programmcode mit Administratorrechten auszuführen.
WID-SEC-W-2023-1778Red Hat Enterprise Linux: Mehrere Schwachstellen ermöglichen CodeausführungDeutsch2023-07-18csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Red Hat Enterprise Linux ausnutzen, um beliebigen Programmcode auszuführen.
WID-SEC-W-2024-1591Juniper JUNOS: Mehrere SchwachstellenDeutsch2024-07-10csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Juniper JUNOS ausnutzen, um einen Denial of Service zu verursachen, Informationen offenzulegen, Privilegien zu erweitern und Sicherheitsmechanismen inklusive zu umgehen.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd NVD CVE.org MITRE

published 2023-06-23modified 2026-06-17

related (1,197)

Related entries.

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Type Confusion in V8 in Google Chrome prior to 142.0.7444.175 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity:…
CVE-2025-10585US	critical9.8OT critical	8.97% (95th)	KEV	2025-09-24
Type confusion in V8 in Google Chrome prior to 140.0.7339.185 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity:…
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+1192 more

references (33)

External citations — patches, advisories, analysis.

scry

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