A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26, iOS 26 and iPadOS 26. Processing maliciously crafted web content may lead to an unexpected Safari crash.
https://support.apple.com/en-us/125113
https://support.apple.com/en-us/125108
http://www.openwall.com/lists/oss-security/2025/09/22/3
http://seclists.org/fulldisclosure/2025/Sep/59