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PatchSiren cyber security CVE debrief

CVE-2023-28205 Apple CVE debrief

CVE-2023-28205 is a WebKit use-after-free vulnerability affecting Apple multiple products and listed by CISA in the Known Exploited Vulnerabilities catalog. Because it is a KEV item, defenders should treat it as actively exploited and prioritize vendor updates referenced by CISA.

Vendor
Apple
Product
Multiple Products
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2023-04-10
Original CVE updated
2023-04-10
Advisory published
2023-04-10
Advisory updated
2023-04-10

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.

Sources and references

Verified primary and authoritative sources

  • CVE-2023-28205 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2023-28205

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2023-28205 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2023-28205

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

  • CISA Known Exploited Vulnerabilities catalog

    Publisher, destination, and source semantics verified

    URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

    Cybersecurity and Infrastructure Security Agency - Official CISA catalog of vulnerabilities known to be exploited in the wild.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

    cisa_kev

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.