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PatchSiren cyber security CVE debrief

CVE-2025-24201 Apple CVE debrief

CVE-2025-24201 is an Apple WebKit out-of-bounds write vulnerability that CISA added to the Known Exploited Vulnerabilities catalog on 2025-03-13. That KEV listing makes this a priority item for defenders, even though the source corpus does not include a CVSS score or the full Apple advisory text. The remediation deadline in the KEV entry is 2025-04-03, so affected Apple environments should be reviewed and updated using Apple’s vendor guidance as soon as possible.

Vendor
Apple
Product
Multiple Products
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2025-03-13
Original CVE updated
2025-03-13
Advisory published
2025-03-13
Advisory updated
2025-03-13

Who should care

Security and endpoint teams responsible for Apple products, especially environments that allow users to access web content or other WebKit-based surfaces. Organizations that track CISA KEV items for patch prioritization should treat this as urgent.

Technical summary

The supplied source corpus identifies the issue as an out-of-bounds write in Apple WebKit and shows that CISA placed it in the KEV catalog. The corpus does not include exploit details, a CVSS score, or Apple’s full fix notes, so the safest interpretation is limited to the confirmed vulnerability class, the Apple product scope, and the fact of known exploitation as reflected by KEV.

Defensive priority

Immediate. CISA KEV entries are treated as active remediation priorities, and this item has a due date of 2025-04-03 in the supplied timeline.

Recommended defensive actions

  • Review Apple’s vendor advisories referenced in the KEV notes for the exact affected products and fixed versions.
  • Apply Apple’s mitigations or updates as soon as they are available in your environment.
  • Prioritize internet-facing and user-accessible Apple systems in your remediation plan.
  • Track completion against the CISA KEV due date of 2025-04-03.
  • If a mitigated or updated state cannot be achieved, follow CISA guidance to apply vendor mitigations or discontinue use of the product where required.

Evidence notes

Evidence is limited to the supplied CISA KEV record and official CVE/NVD links. The source item explicitly names the issue as an Apple Multiple Products WebKit out-of-bounds write vulnerability, marks it as a KEV entry, and provides the KEV dates (dateAdded 2025-03-13; dueDate 2025-04-03). The source metadata also references Apple support advisories at https://support.apple.com/en-us/122281, https://support.apple.com/en-us/122283, https://support.apple.com/en-us/122284, and https://support.apple.com/en-us/122285, plus the NVD detail page. No CVSS score or advisory body text was included in the corpus.

Official resources

Public CVE publication date: 2025-03-13. CISA KEV dateAdded: 2025-03-13. CISA KEV remediation dueDate: 2025-04-03.