CVE-2025-31277
KEVHIGH 8.8EPSS 1.7%
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.
- Affected
- Apple · Safari · iOS and iPadOS · macOS · tvOS · visionOS · watchOS
- CVSS v3.1 CNA
- 8.8 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - EPSS
- 1.66% chance of exploitation in the next 30 days, 76th percentile
- CISA KEV
- added 2026-03-20
- Published
- 2025-07-29
- Updated
- 2026-09-21
Proof-of-concept exploits (2)
- https://cloud.google.com/blog/topics/threat-intelligence/darksword-ios-exploit-chain/
- adoemwanmei/DarkSword-Pro6★ · 2026-04-28
Security advisories
- 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
- 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/36
- 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://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-31277.json