CVE-2025-31277
KEVApple Multiple Products Buffer Overflow Vulnerability
Description
Apple Safari, iOS, watchOS, visionOS, iPadOS, macOS, and tvOS contain a buffer overflow vulnerability that could allow the processing of maliciously crafted web content which may lead to memory corruption.
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.
CVSS 3.1 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HPublishedJul 30, 2025
Last modifiedSep 21, 2026
Added to KEVMar 20, 2026
Remediation dueApr 3, 2026
References
- support.apple.com/en-us/124147Release NotesVendor Advisory
- support.apple.com/en-us/124149Release NotesVendor Advisory
- support.apple.com/en-us/124152Release NotesVendor Advisory
- support.apple.com/en-us/124153Release NotesVendor Advisory
- support.apple.com/en-us/124154Release NotesVendor Advisory
- support.apple.com/en-us/124155Release NotesVendor Advisory
- seclists.org/fulldisclosure/2025/Aug/0Mailing ListThird Party Advisory
- seclists.org/fulldisclosure/2025/Jul/30Mailing ListThird Party Advisory
- seclists.org/fulldisclosure/2025/Jul/32Mailing ListThird Party Advisory
- seclists.org/fulldisclosure/2025/Jul/36Mailing ListThird Party Advisory
- access.redhat.com/errata/RHSA-2025:17643Third Party Advisory
- access.redhat.com/errata/RHSA-2025:17741Third Party Advisory
0 recent articles mention this CVE
74
Risk assessment · High
Actively exploited. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 207 days
- CVSS
- 8.8 HIGH
- EPSS (30-day exploit probability)
- 1.7% · top 23% of all CVEs
- Weakness
- CWE-119
- Attack vector
- Network, remotely reachable
Recommended actions
- 1.Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
- 4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.