Description
A memory corruption issue was addressed with improved state management. This issue is fixed in Safari 26.6.1, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2. Processing maliciously crafted web content may lead to an unexpected Safari crash.
Published: 2026-08-17
Score: 4.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Impact

The vulnerability is a memory corruption flaw in Safari’s state management that can be triggered by maliciously crafted web content, leading to an unexpected Safari crash and effectively denying service to users. The issue has been fixed in Safari 26.6.1, iOS 18.7.10 and 26.6.1, iPadOS 18.7.10 and 26.6.1, and macOS Tahoe 26.6.2.

Affected Systems

The flaw affects Apple devices running iOS and iPadOS versions prior to iOS 18.7.10, iPadOS 18.7.10, iOS 26.6.1, iPadOS 26.6.1, as well as macOS Tahoe versions prior to 26.6.2. Users on any older Apple operating system are potentially exposed.

Risk and Exploitability

The CVSS score of 4.3 places the flaw in a low severity range, while the EPSS score of <1% indicates a very low probability of active exploitation. The flaw is not listed in the CISA Known Exploited Vulnerabilities catalog. Based on the description, the attack vector is a web context: an attacker must host or serve malicious content that a user’s Safari instance renders; no elevated privileges or additional conditions are required for the crash to occur.

Generated by OpenCVE AI on August 27, 2026 at 01:44 UTC.

Remediation

No vendor fix or workaround currently provided.

OpenCVE Recommended Actions

  • Update all affected iOS, iPadOS, and macOS devices to the latest patch releases (iOS 18.7.10 or 26.6.1, iPadOS 18.7.10 or 26.6.1, macOS Tahoe 26.6.2).
  • Ensure Safari is kept at the latest version provided by Apple, typically bundled with the OS update.
  • Stay alert to Apple’s security bulletins and apply any subsequent updates that address related Safari or WebKit issues.

Generated by OpenCVE AI on August 27, 2026 at 01:44 UTC.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Thu, 27 Aug 2026 00:15:00 +0000

Type Values Removed Values Added
Title webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash
Weaknesses CWE-120
References
Metrics threat_severity

None

 threat_severity

Important

Wed, 19 Aug 2026 01:15:00 +0000

Type Values Removed Values Added
First Time appeared Apple ipados
Apple iphone Os
Apple safari
CPEs cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Vendors & Products Apple ipados
Apple iphone Os
Apple safari

Tue, 18 Aug 2026 19:30:00 +0000

Type Values Removed Values Added
Title Safari Memory Corruption Causing Unexpected Crash
Weaknesses CWE-120
CWE-125

Tue, 18 Aug 2026 18:00:00 +0000

Type Values Removed Values Added
Description A memory corruption issue was addressed with improved state management. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2. Processing maliciously crafted web content may lead to an unexpected Safari crash. A memory corruption issue was addressed with improved state management. This issue is fixed in Safari 26.6.1, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2. Processing maliciously crafted web content may lead to an unexpected Safari crash.
References

Tue, 18 Aug 2026 14:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-119
CWE-787
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Mon, 17 Aug 2026 23:45:00 +0000

Type Values Removed Values Added
Title Safari Memory Corruption Causing Unexpected Crash
Weaknesses CWE-120
CWE-125

Mon, 17 Aug 2026 23:00:00 +0000

Type Values Removed Values Added
First Time appeared Apple
Apple ios And Ipados
Apple macos
Vendors & Products Apple
Apple ios And Ipados
Apple macos

Mon, 17 Aug 2026 21:45:00 +0000

Type Values Removed Values Added
Description A memory corruption issue was addressed with improved state management. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2. Processing maliciously crafted web content may lead to an unexpected Safari crash.
References

Subscriptions

Apple Ios And Ipados Ipados Iphone Os Macos Safari
cve-icon MITRE

Status: PUBLISHED

Assigner: apple

Published:

Updated: 2026-08-18T17:59:27.736Z

Reserved: 2026-07-22T00:45:02.635Z

Link: CVE-2026-65334

cve-icon Vulnrichment

Updated: 2026-08-18T13:23:48.836Z

cve-icon NVD

Status : Analyzed

Published: 2026-08-17T22:17:24.330

Modified: 2026-08-19T00:58:07.190

Link: CVE-2026-65334

cve-icon Redhat

Severity : Important

Publid Date: 2026-08-17T21:30:08Z

Links: CVE-2026-65334 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-08-27T01:45:04Z

Weaknesses
  • CWE-119

    Improper Restriction of Operations within the Bounds of a Memory Buffer

  • CWE-120

    Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

  • CWE-787

    Out-of-bounds Write