# Apple Multiple Products: WebKit Type Confusion (CVE-2023-32439) · pwn.watch

> Apple iOS, iPadOS, macOS, and Safari WebKit contain a type confusion vulnerability that leads to code execution when processing maliciously crafted web content. 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. Added to CISA KEV on 2023-06-23.

Page: https://pwn.watch/i/apple-multiple-products-cve-2023-32439 · generated 2026-10-23T04:59:28.006Z

## Status
- Severity: high · status: closed · patch: patched
- Product: Apple Multiple Products
- Started: 2023-06-23 · closed: 2023-06-23
- CVEs: CVE-2023-32439
- Affected: See vendor advisory / CISA notes (versions not always listed in KEV feed)
- Fixed in: See vendor advisory linked in sources

## Follow this incident
- RSS (one item per update): https://pwn.watch/i/apple-multiple-products-cve-2023-32439/feed.xml
- JSON Feed: https://pwn.watch/i/apple-multiple-products-cve-2023-32439/feed.json
- Full data (timeline, sources, posts, agentBrief): https://pwn.watch/i/apple-multiple-products-cve-2023-32439.json
- This file: https://pwn.watch/i/apple-multiple-products-cve-2023-32439/llms.txt

## Updates (newest first)
- 2023-06-23: CISA added CVE-2023-32439 to the KEV catalog (due 2023-07-14).

## Fix brief
# Security brief: Apple Multiple Products: WebKit Type Confusion (CVE-2023-32439)

Source: https://pwn.watch/i/apple-multiple-products-cve-2023-32439 · status: closed (closed Jun 23, 2023) · severity: high · updated Jun 23, 2023

## Patch status
**PATCHED: fixed releases exist. Upgrade to a fixed version.**

## What it is
Apple iOS, iPadOS, macOS, and Safari WebKit contain a type confusion vulnerability that leads to code execution when processing maliciously crafted web content. 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. Added to CISA KEV on 2023-06-23.

Severity detail: CVSS 8.8 (NVD), actively exploited (CISA KEV)

- Product: Apple Multiple Products
- CVE / advisory ids: CVE-2023-32439

## Affected versions
- See vendor advisory / CISA notes (versions not always listed in KEV feed)

## Check whether you're affected
No generic command applies (the product is a hosted service, appliance or desktop app). Check the installed version in its admin UI / About screen and compare with the versions above.

## Fix
Upgrade to one of these fixed versions (or later on the same branch):
- See vendor advisory linked in sources

After upgrading, re-run the checks above and redeploy/restart the affected services.

## Latest updates
- Jun 23, 2023: CISA added CVE-2023-32439 to the KEV catalog (due 2023-07-14).

## Advisories
- [Vendor advisory: Apple Multiple Products](https://support.apple.com/en-us/HT213813, https://support.apple.com/en-us/HT213811, https://support.apple.com/en-us/HT213814, https://support.apple.com/en-us/HT213816) (Apple)
- [NVD: CVE-2023-32439](https://nvd.nist.gov/vuln/detail/CVE-2023-32439) (NVD)
- [CISA Known Exploited Vulnerabilities Catalog](https://www.cisa.gov/known-exploited-vulnerabilities-catalog) (CISA)

## Caveats
Derived from CISA KEV JSON feed catalogVersion 2026.10.21. Exact affected/fixed version strings are not always in the KEV record — verify against the vendor advisory URL. startedAt uses dateAdded (exploitation may have begun earlier).

---
Machine-readable: https://pwn.watch/i/apple-multiple-products-cve-2023-32439.json · all incidents: https://pwn.watch/incidents.json. Verify against the vendor advisory before changing production systems.