CVE-2021-30762
Apple iOS WebKit Use-After-Free Vulnerability
8.8
HIGH
CVSS 3.1
⚠ KEVEPSS 0.05%
Description
A use after free issue was addressed with improved memory management. This issue is fixed in iOS 12.5.4. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..
How to fix CVE-2021-30762
To remediate CVE-2021-30762, upgrade the affected package to a fixed version below.
- —upgrade to 2.28.0-2 or later
- —upgrade to 2.28.0-1 or later
Is CVE-2021-30762 being exploited?
Yes — CVE-2021-30762 is on the CISA Known Exploited Vulnerabilities (KEV) catalog. Patch immediately.
Affected packages (2)
- from 0, < 2.28.0-2
- from 0, < 2.28.0-1
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 |