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8.8
HIGH CVSS 3.1
CVE-2025-43214
Apple Safari Web Content Processing Unexpected Crash Vulnerability
Overview
Description

The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing maliciously crafted web content may lead to an unexpected Safari crash.

Details
INFO

Published Date :

July 30, 2025, 12:15 a.m.

Last Modified :

June 30, 2026, 3:16 a.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Impact
Affected Products

The following products are affected by CVE-2025-43214 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Apple macos
2 Apple iphone_os
3 Apple tvos
4 Apple watchos
5 Apple safari
6 Apple ipados
7 Apple safari
8 Apple macos
9 Apple watchos
10 Apple visionos
: Total Affected Vendor : 1 | Products : 10
Scoring
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 3.1 MEDIUM 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 3.1 HIGH 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Solution
Update to the latest versions to fix memory handling issues and prevent crashes.
  • Update Safari to version 18.6.
  • Update watchOS to version 11.6.
  • Update iOS to version 18.6.
  • Update macOS to version 15.6.
Public PoC/Exploit Available at Github

CVE-2025-43214 has a 6 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-43214.

URL Resource
https://support.apple.com/en-us/124147 Release Notes Vendor Advisory
https://support.apple.com/en-us/124149 Release Notes Vendor Advisory
https://support.apple.com/en-us/124152 Release Notes Vendor Advisory
https://support.apple.com/en-us/124153 Release Notes Vendor Advisory
https://support.apple.com/en-us/124154 Release Notes Vendor Advisory
https://support.apple.com/en-us/124155 Release Notes Vendor Advisory
http://seclists.org/fulldisclosure/2025/Aug/0
http://seclists.org/fulldisclosure/2025/Jul/30
http://seclists.org/fulldisclosure/2025/Jul/32
http://seclists.org/fulldisclosure/2025/Jul/35
http://seclists.org/fulldisclosure/2025/Jul/36
https://access.redhat.com/errata/RHSA-2026:10702
https://access.redhat.com/errata/RHSA-2026:11329
https://access.redhat.com/errata/RHSA-2026:11814
https://access.redhat.com/errata/RHSA-2026:13845
https://access.redhat.com/errata/RHSA-2026:14659
https://access.redhat.com/errata/RHSA-2026:16056
https://access.redhat.com/errata/RHSA-2026:16695
https://access.redhat.com/errata/RHSA-2026:19206
https://access.redhat.com/errata/RHSA-2026:19535
https://access.redhat.com/errata/RHSA-2026:22136
https://access.redhat.com/errata/RHSA-2026:9692
https://access.redhat.com/security/cve/CVE-2025-43214
https://bugzilla.redhat.com/show_bug.cgi?id=2448782
https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-43214.json
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-43214 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-43214 weaknesses.

CAPEC-8: Buffer Overflow in an API Call Buffer Overflow in an API Call CAPEC-9: Buffer Overflow in Local Command-Line Utilities Buffer Overflow in Local Command-Line Utilities CAPEC-10: Buffer Overflow via Environment Variables Buffer Overflow via Environment Variables CAPEC-14: Client-side Injection-induced Buffer Overflow Client-side Injection-induced Buffer Overflow CAPEC-24: Filter Failure through Buffer Overflow Filter Failure through Buffer Overflow CAPEC-42: MIME Conversion MIME Conversion CAPEC-44: Overflow Binary Resource File Overflow Binary Resource File CAPEC-45: Buffer Overflow via Symbolic Links Buffer Overflow via Symbolic Links CAPEC-46: Overflow Variables and Tags Overflow Variables and Tags CAPEC-47: Buffer Overflow via Parameter Expansion Buffer Overflow via Parameter Expansion CAPEC-100: Overflow Buffers Overflow Buffers CAPEC-123: Buffer Manipulation Buffer Manipulation CAPEC-8: Buffer Overflow in an API Call Buffer Overflow in an API Call CAPEC-9: Buffer Overflow in Local Command-Line Utilities Buffer Overflow in Local Command-Line Utilities CAPEC-10: Buffer Overflow via Environment Variables Buffer Overflow via Environment Variables CAPEC-14: Client-side Injection-induced Buffer Overflow Client-side Injection-induced Buffer Overflow CAPEC-24: Filter Failure through Buffer Overflow Filter Failure through Buffer Overflow CAPEC-42: MIME Conversion MIME Conversion CAPEC-44: Overflow Binary Resource File Overflow Binary Resource File CAPEC-45: Buffer Overflow via Symbolic Links Buffer Overflow via Symbolic Links CAPEC-46: Overflow Variables and Tags Overflow Variables and Tags CAPEC-47: Buffer Overflow via Parameter Expansion Buffer Overflow via Parameter Expansion CAPEC-67: String Format Overflow in syslog() String Format Overflow in syslog() CAPEC-92: Forced Integer Overflow Forced Integer Overflow CAPEC-100: Overflow Buffers Overflow Buffers

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

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Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-43214 vulnerability anywhere in the article.

  • seclists.org
APPLE-SA-07-30-2025-1 Safari 18.6

Full Disclosure mailing list archives From: Apple Product Security via Fulldisclosure <fulldisclosure () seclists org> Date: Wed, 30 Jul 2025 12:51:16 -0700 -----BEGIN PGP SIGNED MESSAGE----- Hash: SH ... Read more

Published Date: Aug 03, 2025 (11 months, 1 week ago)

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2025-43214 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 0b0ca135-0b70-47e7-9f44-1890c2a1c46c

    Jun. 30, 2026

    Action Type Old Value New Value
    Added Affected [{'cpes': ['cpe:/o:redhat:rhel_els:7'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux Server (v. 7 ELS)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:rhel_els:7'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux Server Optional (v. 7 ELS)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:enterprise_linux:8::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream (v. 8)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_aus:8.4::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream AUS (v.8.4)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_eus_long_life:8.4::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_aus:8.6::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream AUS (v.8.6)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_e4s:8.6::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream E4S (v.8.6)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_tus:8.6::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream TUS (v.8.6)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_e4s:8.8::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream E4S (v.8.8)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_tus:8.8::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream TUS (v.8.8)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_e4s:9.0::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream E4S (v.9.0)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_e4s:9.2::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream E4S (v.9.2)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_eus:9.4::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream EUS (v.9.4)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_eus:9.6::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream EUS (v.9.6)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:enterprise_linux:9::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream (v. 9)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:6'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 6', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:7'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 7', 'defaultStatus': 'unaffected'}]
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Added CWE CWE-120
    Added Reference https://access.redhat.com/errata/RHSA-2026:10702
    Added Reference https://access.redhat.com/errata/RHSA-2026:11329
    Added Reference https://access.redhat.com/errata/RHSA-2026:11814
    Added Reference https://access.redhat.com/errata/RHSA-2026:13845
    Added Reference https://access.redhat.com/errata/RHSA-2026:14659
    Added Reference https://access.redhat.com/errata/RHSA-2026:16056
    Added Reference https://access.redhat.com/errata/RHSA-2026:16695
    Added Reference https://access.redhat.com/errata/RHSA-2026:19206
    Added Reference https://access.redhat.com/errata/RHSA-2026:19535
    Added Reference https://access.redhat.com/errata/RHSA-2026:22136
    Added Reference https://access.redhat.com/errata/RHSA-2026:9692
    Added Reference https://access.redhat.com/security/cve/CVE-2025-43214
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2448782
    Added Reference https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-43214.json
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jun. 17, 2026

    Action Type Old Value New Value
    Added SSVC {'id': 'CVE-2025-43214', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2025-08-22T03:55:42.069359Z'}
  • CVE Modified by [email protected]

    Jun. 17, 2026

    Action Type Old Value New Value
    Added Affected [{'vendor': 'Apple', 'product': 'Safari', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '18.6', 'versionType': 'custom'}]}, {'vendor': 'Apple', 'product': 'iOS and iPadOS', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '18.6', 'versionType': 'custom'}]}, {'vendor': 'Apple', 'product': 'macOS', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '15.6', 'versionType': 'custom'}]}, {'vendor': 'Apple', 'product': 'tvOS', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '18.6', 'versionType': 'custom'}]}, {'vendor': 'Apple', 'product': 'visionOS', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '2.6', 'versionType': 'custom'}]}, {'vendor': 'Apple', 'product': 'watchOS', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '11.6', 'versionType': 'custom'}]}]
  • CVE Modified by [email protected]

    Apr. 02, 2026

    Action Type Old Value New Value
    Changed Description The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, watchOS 11.6, iOS 18.6 and iPadOS 18.6, tvOS 18.6, macOS Sequoia 15.6, visionOS 2.6. Processing maliciously crafted web content may lead to an unexpected Safari crash. The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing maliciously crafted web content may lead to an unexpected Safari crash.
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 03, 2025

    Action Type Old Value New Value
    Added Reference http://seclists.org/fulldisclosure/2025/Aug/0
    Added Reference http://seclists.org/fulldisclosure/2025/Jul/30
    Added Reference http://seclists.org/fulldisclosure/2025/Jul/32
    Added Reference http://seclists.org/fulldisclosure/2025/Jul/35
    Added Reference http://seclists.org/fulldisclosure/2025/Jul/36
  • Initial Analysis by [email protected]

    Jul. 31, 2025

    Action Type Old Value New Value
    Added CPE Configuration OR *cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* versions up to (excluding) 15.6 *cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* versions up to (excluding) 18.6 *cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* versions up to (excluding) 18.6 *cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* versions up to (excluding) 18.6 *cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:* versions up to (excluding) 2.6 *cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* versions up to (excluding) 11.6 *cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* versions up to (excluding) 18.6
    Added Reference Type Apple Inc.: https://support.apple.com/en-us/124147 Types: Release Notes, Vendor Advisory
    Added Reference Type Apple Inc.: https://support.apple.com/en-us/124149 Types: Release Notes, Vendor Advisory
    Added Reference Type Apple Inc.: https://support.apple.com/en-us/124152 Types: Release Notes, Vendor Advisory
    Added Reference Type Apple Inc.: https://support.apple.com/en-us/124153 Types: Release Notes, Vendor Advisory
    Added Reference Type Apple Inc.: https://support.apple.com/en-us/124154 Types: Release Notes, Vendor Advisory
    Added Reference Type Apple Inc.: https://support.apple.com/en-us/124155 Types: Release Notes, Vendor Advisory
  • CVE Modified by [email protected]

    Jul. 30, 2025

    Action Type Old Value New Value
    Changed Description The issue was addressed with improved memory handling. This issue is fixed in watchOS 11.6, iOS 18.6 and iPadOS 18.6, tvOS 18.6, macOS Sequoia 15.6, visionOS 2.6. Processing maliciously crafted web content may lead to an unexpected Safari crash. The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, watchOS 11.6, iOS 18.6 and iPadOS 18.6, tvOS 18.6, macOS Sequoia 15.6, visionOS 2.6. Processing maliciously crafted web content may lead to an unexpected Safari crash.
    Added Reference https://support.apple.com/en-us/124152
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jul. 30, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
    Added CWE CWE-119
  • New CVE Received by [email protected]

    Jul. 30, 2025

    Action Type Old Value New Value
    Added Description The issue was addressed with improved memory handling. This issue is fixed in watchOS 11.6, iOS 18.6 and iPadOS 18.6, tvOS 18.6, macOS Sequoia 15.6, visionOS 2.6. Processing maliciously crafted web content may lead to an unexpected Safari crash.
    Added Reference https://support.apple.com/en-us/124147
    Added Reference https://support.apple.com/en-us/124149
    Added Reference https://support.apple.com/en-us/124153
    Added Reference https://support.apple.com/en-us/124154
    Added Reference https://support.apple.com/en-us/124155
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CVSS
Vulnerability Scoring Details
Base CVSS Score: 8.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact