CVE-2025-31277

high

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.

References

https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-31277.json

https://bugzilla.redhat.com/show_bug.cgi?id=2448780

https://access.redhat.com/security/cve/CVE-2025-31277

https://access.redhat.com/errata/RHSA-2025:19352

https://access.redhat.com/errata/RHSA-2025:19165

https://access.redhat.com/errata/RHSA-2025:19157

https://access.redhat.com/errata/RHSA-2025:19109

https://access.redhat.com/errata/RHSA-2025:18097

https://access.redhat.com/errata/RHSA-2025:17807

https://access.redhat.com/errata/RHSA-2025:17802

https://access.redhat.com/errata/RHSA-2025:17743

https://access.redhat.com/errata/RHSA-2025:17741

https://access.redhat.com/errata/RHSA-2025:17643

http://seclists.org/fulldisclosure/2025/Jul/36

http://seclists.org/fulldisclosure/2025/Jul/32

http://seclists.org/fulldisclosure/2025/Jul/30

http://seclists.org/fulldisclosure/2025/Aug/0

https://www.bleepingcomputer.com/news/security/apple-expands-ios-18-updates-to-more-iphones-to-block-darksword-attacks/

https://www.bleepingcomputer.com/news/security/cisa-orders-feds-to-patch-darksword-ios-flaws-exploited-attacks/

https://securityaffairs.com/189776/security/u-s-cisa-adds-apple-laravel-livewire-and-craft-cms-flaws-to-its-known-exploited-vulnerabilities-catalog.html

https://thehackernews.com/2026/03/cisa-flags-apple-craft-cms-laravel-bugs.html

https://www.cisa.gov/news-events/alerts/2026/03/20/cisa-adds-five-known-exploited-vulnerabilities-catalog

https://securityaffairs.com/189716/security/apple-urges-iphone-users-to-update-as-coruna-and-darksword-exploit-kits-emerge.html

https://www.helpnetsecurity.com/2026/03/19/darksword-ios-exploit-iphone/

https://thehackernews.com/2026/03/darksword-ios-exploit-kit-uses-6-flaws.html

https://securityaffairs.com/189662/hacking/darksword-emerges-as-powerful-ios-exploit-tool-in-global-attacks.html

https://www.theregister.com/2026/03/18/darksword_exploit_kit_steals_iphone/

https://www.securityweek.com/darksword-ios-exploit-kit-used-by-state-sponsored-hackers-spyware-vendors/

https://www.darkreading.com/threat-intelligence/darksword-iphone-exploit-spies-thieves

https://www.bleepingcomputer.com/news/security/new-darksword-ios-exploit-used-in-infostealer-attack-on-iphones/

https://cloud.google.com/blog/topics/threat-intelligence/darksword-ios-exploit-chain/

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-31277

https://support.apple.com/en-us/124155

https://support.apple.com/en-us/124154

https://support.apple.com/en-us/124153

https://support.apple.com/en-us/124152

https://support.apple.com/en-us/124149

https://support.apple.com/en-us/124147

Details

Source: Mitre, NVD

Published: 2025-07-30

Updated: 2026-07-01

Known Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 8.8

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

Severity: High

EPSS

EPSS: 0.00018

Detections

Analytics