CVE-2023-28205 Apple CVE debrief

Who should care

Apple device owners, endpoint and mobile device administrators, security teams managing macOS, iOS, iPadOS, and related Apple deployments, and anyone responsible for browser or WebKit-driven attack surface on Apple products.

Technical summary

The supplied corpus identifies the issue as a WebKit use-after-free vulnerability in Apple multiple products. CISA’s KEV entry marks it as known exploited and directs organizations to apply updates per vendor instructions. The corpus also references Apple support advisories HT213720, HT213721, HT213722, and HT213723 as the vendor remediation sources.

Defensive priority

High. CISA added the CVE to the Known Exploited Vulnerabilities catalog on 2023-04-10 and assigned a remediation due date of 2023-05-01, indicating elevated urgency for patching and verification.

Recommended defensive actions

• Apply the relevant Apple updates referenced by CISA and Apple support advisories.
• Prioritize affected Apple fleets for expedited patching and validation.
• Confirm remediation across managed devices rather than relying on auto-update alone.
• Monitor for CISA KEV updates and Apple security advisories tied to this CVE.
• If patching is delayed, reduce exposure by limiting unnecessary web browsing on unpatched Apple devices and increasing monitoring on those assets.

Evidence notes

Source corpus identifies the vulnerability as 'Apple Multiple Products WebKit Use-After-Free Vulnerability' and marks it as a CISA KEV entry. CISA metadata states 'Apply updates per vendor instructions' and references Apple support advisories HT213720, HT213721, HT213722, and HT213723 plus the NVD record for CVE-2023-28205. No CVSS score or affected-version list was provided in the supplied corpus.

Official resources