Live › vulnerability › CVE-2021-30761
Go to dashboardApple iOS WebKit has a memory corruption bug that is triggered by processing maliciously crafted web content. An attacker who gets a victim to load a booby-trapped page can run code.
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 | – | – |
Settings > General > About on the iPhone or iPad shows the iOS version; compare it with the fixed release listed by Apple.
Update iOS to the release Apple lists as fixing CVE-2021-30761 (CISA says: 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 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-2021-30761")
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.