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CVE-2021-30858

high · 8.8Actively exploited

On the CISA Known Exploited Vulnerabilities catalog

Apply updates per vendor instructions.

Added 2021-11-03Remediation due 2021-11-17

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6. 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.

8.8
CVSS
13.4%
EPSS (exploit prob.)
96th
EPSS percentile
2021-08-24
Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weaknesses

CWE-416

Affected products

VendorProductAffected versions
appleipados>= 13.1, < 14.8
appleiphone_os< 12.5.5
appleiphone_os>= 13.0, < 14.8
applemacos< 11.6
fedoraprojectfedora33
fedoraprojectfedora34
debiandebian_linux10.0
debiandebian_linux11.0

Check a specific version with /api/v1/cve/match.

References

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2021-30858