Coverage › CVE-2023-42917
CVE-2023-42917 Unmapped
Apple Multiple Products WebKit Memory Corruption Vulnerability
- Vendor / product
- Apple — Multiple Products
- Description (CISA)
- Apple iOS, iPadOS, macOS, and Safari WebKit contain a memory corruption 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 KEV
- 2023-12-04
- Due date
- 2023-12-25
- Required action
- Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
- Known ransomware use
- Unknown
- CWE
- CWE-787
- CISA notes
- https://support.apple.com/en-us/HT214031, https://support.apple.com/en-us/HT214032, https://support.apple.com/en-us/HT214033
https://nvd.nist.gov/vuln/detail/CVE-2023-42917 - Elsewhere
- cve.org · NVD · CISA KEV · JSON
ATT&CK techniques
No public source states how this vulnerability is exploited in ATT&CK terms.
The only authoritative CVE → ATT&CK mapping in the open — CTID's Mappings Explorer, pinned to a KEV snapshot of 2025-07-28 and ATT&CK 16.1 — does not include CVE-2023-42917. CISA's catalogue carries no technique field. kevmap does not infer techniques from the CWE (CWE-787) — here is why — and does not guess.
This page will change state automatically if a mapping is published. What is shown above is everything CISA publishes about the entry.