CVE-2025-31277: Apple Multiple Products Buffer Overflow Vulnerability
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 memory corruption.
Published Jul 30, 2025 · Updated Sep 21, 2026
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Advisory details
From the National Vulnerability Database. This product uses the NVD API but is not endorsed or certified by the NVD.
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 memory corruption.
References
- https://support.apple.com/en-us/124147
- https://support.apple.com/en-us/124149
- https://support.apple.com/en-us/124152
- https://support.apple.com/en-us/124153
- https://support.apple.com/en-us/124154
- https://support.apple.com/en-us/124155
- https://access.redhat.com/errata/RHSA-2025:17643
- https://access.redhat.com/errata/RHSA-2025:17741
- https://access.redhat.com/errata/RHSA-2025:17743
- https://access.redhat.com/errata/RHSA-2025:17802
- https://access.redhat.com/errata/RHSA-2025:17807
- https://access.redhat.com/errata/RHSA-2025:18097
- https://access.redhat.com/errata/RHSA-2025:19109
- https://access.redhat.com/errata/RHSA-2025:19157
- https://access.redhat.com/errata/RHSA-2025:19165
- https://access.redhat.com/errata/RHSA-2025:19352
- https://access.redhat.com/security/cve/CVE-2025-31277
- https://bugzilla.redhat.com/show_bug.cgi?id=2448780
- https://cloud.google.com/blog/topics/threat-intelligence/darksword-ios-exploit-chain/
- https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-31277.json
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-31277
How this page is made: the data panel comes from the GitHub Advisory Database, CISA’s KEV catalog, the NVD and FIRST EPSS, and updates twice a day. No analysis has been written for this entry yet. Methodology
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