CVE-2021-30761
Apple iOS WebKit Memory Corruption Vulnerability
8.8
HIGH
CVSS 3.1
⚠ KEVEPSS 0.51%
Description
A memory corruption issue was addressed with improved state 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-2021-30761
To remediate CVE-2021-30761, upgrade the affected package to a fixed version below.
- —upgrade to 2.26.1-2 or later
- —upgrade to 2.26.3-1 or later
Is CVE-2021-30761 being exploited?
Yes — CVE-2021-30761 is on the CISA Known Exploited Vulnerabilities (KEV) catalog. Patch immediately.
Affected packages (2)
- from 0, < 2.26.1-2
- from 0, < 2.26.3-1
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 |