CVE-2021-30936
8.8
HIGH
CVSS 3.1
EPSS 0.94%
Description
A use after free issue was addressed with improved memory management. This issue is fixed in tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted web content may lead to arbitrary code execution.
How to fix CVE-2021-30936
To remediate CVE-2021-30936, upgrade the affected package to a fixed version below.
- Debian/webkit2gtk—upgrade to 2.34.4-1~deb11u1 or later
- —upgrade to 2.34.4-1~deb11u1 or later
Is CVE-2021-30936 being exploited?
Low — EPSS is 0.9%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.34.4-1~deb11u1
- from 0, < 2.34.4-1~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 |