A memory corruption vulnerability was addressed with improved locking. (CVE-2026-64779)
A memory corruption vulnerability in Safari was addressed by improving locking mechanisms. The flaw could cause Safari to crash when processing maliciously crafted web content. This issue affects multiple Apple platforms and has been fixed in specific versions of Safari, iOS, iPadOS, macOS Tahoe, and visionOS. The vulnerability has a low severity rating and no known exploits in the wild.
AI Analysis
Technical Summary
CVE-2026-64779 is a memory corruption vulnerability related to locking in Safari and associated Apple operating systems. The vulnerability could lead to an unexpected crash of Safari when handling maliciously crafted web content. Apple fixed this issue by improving the locking mechanism 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, and visionOS 27. The CVSS score is 3.1, indicating low severity, with an attack vector requiring network access, high attack complexity, no privileges required, and user interaction needed. The impact is limited to availability (denial of service) with no confidentiality or integrity impact.
Potential Impact
The vulnerability may cause Safari to crash unexpectedly when processing malicious web content, resulting in a denial of service condition. There is no impact on confidentiality or integrity. No known exploits are reported in the wild.
Mitigation Recommendations
Update affected Apple platforms to the fixed versions: 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, and visionOS 27. Applying these updates resolves the vulnerability. No additional mitigation is required.
A memory corruption vulnerability was addressed with improved locking. (CVE-2026-64779)
Description
A memory corruption vulnerability in Safari was addressed by improving locking mechanisms. The flaw could cause Safari to crash when processing maliciously crafted web content. This issue affects multiple Apple platforms and has been fixed in specific versions of Safari, iOS, iPadOS, macOS Tahoe, and visionOS. The vulnerability has a low severity rating and no known exploits in the wild.
CVSS v3.1
Score 3.1low
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-64779 is a memory corruption vulnerability related to locking in Safari and associated Apple operating systems. The vulnerability could lead to an unexpected crash of Safari when handling maliciously crafted web content. Apple fixed this issue by improving the locking mechanism 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, and visionOS 27. The CVSS score is 3.1, indicating low severity, with an attack vector requiring network access, high attack complexity, no privileges required, and user interaction needed. The impact is limited to availability (denial of service) with no confidentiality or integrity impact.
Potential Impact
The vulnerability may cause Safari to crash unexpectedly when processing malicious web content, resulting in a denial of service condition. There is no impact on confidentiality or integrity. No known exploits are reported in the wild.
Mitigation Recommendations
Update affected Apple platforms to the fixed versions: 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, and visionOS 27. Applying these updates resolves the vulnerability. No additional mitigation is required.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-p797-6vhh-hr72
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-64779"]
Threat ID: 6a83aa6abf8831d539e313fe
Added to database: 08/18/2026, 00:42:18 UTC
Last enriched: 09/19/2026, 22:16:21 UTC
Last updated: 10/02/2026, 02:46:05 UTC
Views: 72
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