CVE-2025-24201: Apple Multiple Products WebKit Out-of-Bounds Write Vulnerability

CISA Known Exploited Vulnerability (KEV)

Description

Apple iOS, iPadOS, macOS, and other Apple products contain an out-of-bounds write vulnerability in WebKit that may allow maliciously crafted web content to break out of Web Content sandbox. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.

Required action (CISA)

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/122281 ; https://support.apple.com/en-us/122283 ; https://support.apple.com/en-us/122284 ; https://support.apple.com/en-us/122285 ; ; https://nvd.nist.gov/vuln/detail/CVE-2025-24201

Weakness behind it

CISA records this vulnerability as an instance of CWE-787. From there the chain continues into CAPEC attack patterns and ATT&CK techniques, all inside this corpus.

References

• NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-24201
• KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog