CVE-2021-30666
published 2021-09-08CVE-2021-30666: A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 12.5.3. Processing maliciously crafted web content may lead to…
high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
KEVITW
CISA Known Exploited Vulnerabilitydue 2021-11-17
Exploited in the wild
A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 12.5.3. 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..
Affected
4 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apple | ios | >= unspecified < 12.5 | 12.5 |
| apple | iphone_os | < 12.5.3 | 12.5.3 |
| debian | webkit2gtk | < webkit2gtk 2.26.1-2 (bookworm) | webkit2gtk 2.26.1-2 (bookworm) |
| debian | wpewebkit | < webkit2gtk 2.26.1-2 (bookworm) | webkit2gtk 2.26.1-2 (bookworm) |
CVSS provenance
nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
osv8.8HIGH
vulncheck8.8HIGH
cisa8.8HIGH