Live › vulnerability › CVE-2021-30665
Go to dashboardA memory corruption bug in Apple's WebKit engine lets a crafted web page run code when it is processed. It is listed as exploited in the wild, so attackers have used it.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 19:11 UTC, 3h before NVD. All times on this page are UTC.
Apply updates per vendor instructions.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| Apple Multiple Products | vendor | – | – |
Unknown from the sources. In the analyst’s queue.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
Apple iOS, iPadOS, macOS, watchOS, and tvOS 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.
CISA required action: Apply updates per vendor instructions.
This page as .md · .json · in your agent: get_signal("CVE-2021-30665")
CISA KEV catalog, Creative Commons 0 · EPSS scores by FIRST, used with attribution · NVD data is provided by NIST and is public domain. Posts quoted belong to their authors.