CVE-2021-30799
8.8
HIGH
CVSS 3.1
EPSS 1.2%
Description
Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. Processing maliciously crafted web content may lead to arbitrary code execution.
How to fix CVE-2021-30799
To remediate CVE-2021-30799, upgrade the affected package to a fixed version below.
- Debian/webkit2gtk—upgrade to 2.32.3-1 or later
- —upgrade to 2.32.3-1 or later
Is CVE-2021-30799 being exploited?
Low — EPSS is 1.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.32.3-1
- from 0, < 2.32.3-1
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 |