CVE-2021-30851
HIGH8.8EPSS 0.77%Published: 8/24/2021Modified: 4/28/2026
Description
A memory corruption vulnerability was addressed with improved locking. This issue is fixed in Safari 15, tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing maliciously crafted web content may lead to code execution.
Affected packages (2)
- Debian/webkit2gtkfrom 0, < 2.34.1-1~deb11u1
- Debian/wpewebkitfrom 0, < 2.34.1-1~deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |