Apple Multiple Products WebKit Code Execution Vulnerability (CVE-2023-41993)
Severity: high · Patch status: unknown · Since 2023-09-25 · CVE-2023-41993
Apple iOS, iPadOS, macOS, and Safari WebKit contain an unspecified 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. CISA added CVE-2023-41993 to its Known Exploited Vulnerabilities catalog on Sep 25, 2023, which means attackers are exploiting it in the wild.
What to do
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- US federal agencies must remediate by Oct 16, 2023 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch