CVEvulnerability

CVE-2025-31277

8.8 HIGH Known exploited Published 2025-07-30 Modified 2026-09-21 Official page ↗

CISA Known Exploited Vulnerability

Apple Multiple Products Buffer Overflow Vulnerability — Apple Multiple Products

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.

Added to KEV: 2026-03-20
Remediation due: 2026-04-03
Ransomware use: Unknown
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.
Notes: 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/124155 ; https://nvd.nist.gov/vuln/detail/CVE-2025-31277

Status: Analyzed
Published: 2025-07-30
Last modified: 2026-09-21
Assigner: [email protected]
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0): 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 3.1 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c): 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weaknesses: CWE-119, CWE-120

Description

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 configurations

• apple safari (< 18.6) • apple ipados (< 18.6) • apple iphone os (< 18.6) • apple macos (>= 15.0 < 15.6) • apple tvos (< 18.6) • apple visionos (< 2.6) • apple watchos (< 11.6) • webkitgtk webkitgtk (< 2.50.0) • wpewebkit wpe webkit (< 2.50.0) • redhat enterprise linux 6.0 • redhat enterprise linux 7.0 • redhat enterprise linux 8.0 • redhat enterprise linux 9.0 • redhat enterprise linux aus 8.2 • redhat enterprise linux aus 8.4 • redhat enterprise linux aus 8.6 • redhat enterprise linux els 7.0 • redhat enterprise linux eus 8.4 • redhat enterprise linux eus 8.6 • redhat enterprise linux eus 9.4 • redhat enterprise linux tus 8.6 • redhat enterprise linux tus 8.8 • redhat enterprise linux update services for sap solutions 8.6 • redhat enterprise linux update services for sap solutions 8.8 • redhat enterprise linux update services for sap solutions 9.0 • redhat enterprise linux update services for sap solutions 9.2

Weakness · CWE (2)

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer weakness
CWE-120 Buffer Copy without Checking Size of Input weakness

References