December 4, 2023 · Applied Cybernetics Group
CVE-2023-42917 — Apple Multiple Products
Apple Multiple Products WebKit Memory Corruption Vulnerability
- Added to KEV
2023-12-04- Federal due date
2023-12-25- Vendor
- Apple
- Product
- Multiple Products
- EPSS
- 25.3th percentile (score 0.001, as of
2026-06-08) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2023-42917
CISA short description
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.
Required action
Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.