Live › vulnerability › CVE-2021-30762
Go to dashboardApple iOS WebKit has a use-after-free bug that is triggered when it processes maliciously crafted web content. An attacker who gets a victim to load a crafted page can run code in the browser context.
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 iOS | vendor | – | – |
Check the iOS version on each device under Settings > General > About; the sources do not give a fixed build number.
Update iOS to the latest release per Apples vendor instructions; CISAs required action is to apply updates per vendor instructions.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
Apple iOS WebKit contains a use-after-free 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-2021-30762")
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.