CVE-2025-31278

Name: CVE-2025-31278
Creator: NVD / NIST
Published: 2025-07-30T00:15:30.95+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.08%

Last modified Jun 17, 2026

CVE-2025-31278 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, iOS 18.6 and iPadOS 18.6, iPadOS 17.7.9, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, watchOS 11.6. EPSS estimates a 1.08% chance of exploitation in the next 30 days.

Description

The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, iOS 18.6 and iPadOS 18.6, iPadOS 17.7.9, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing maliciously crafted web content may lead to memory corruption.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

1.08%

61.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions
Apple	Safari	< 18.6
Apple	Ipados	< 17.7.9
Apple	Ipados	>= 18.0, < 18.6
Apple	Iphone Os	< 18.6
Apple	Macos	< 15.6
Apple	Tvos	< 18.6
Apple	Visionos	< 2.6
Apple	Watchos	< 11.6

References

https://support.apple.com/en-us/124147Release Notes, Vendor Advisory
https://support.apple.com/en-us/124148Release Notes, Vendor Advisory
https://support.apple.com/en-us/124149Release Notes, Vendor Advisory
https://support.apple.com/en-us/124152Release Notes, Vendor Advisory
https://support.apple.com/en-us/124153Release Notes, Vendor Advisory
https://support.apple.com/en-us/124154Release Notes, Vendor Advisory
https://support.apple.com/en-us/124155Release Notes, Vendor Advisory
http://seclists.org/fulldisclosure/2025/Aug/0
http://seclists.org/fulldisclosure/2025/Jul/31
http://seclists.org/fulldisclosure/2025/Jul/32
http://seclists.org/fulldisclosure/2025/Jul/36
http://www.openwall.com/lists/oss-security/2025/08/02/1
https://lists.debian.org/debian-lts-announce/2025/08/msg00015.html

Timeline

Published: Jul 30, 2025
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2025-31278?

How severe is CVE-2025-31278?

CVE-2025-31278 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.08% probability of exploitation in the next 30 days.

How do I fix CVE-2025-31278?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-31278?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST