DEBIAN-CVE-2021-1871

Advisory lineage Upstream: 1 Downstream: 1
Upstream
CVE-2021-1871
Downstream
DSA-4923-1
Published: 02 Apr 2021, 19:15
Last modified:19 Nov 2025, 01:12

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.8 CRITICAL
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

02 Apr 2021, 19:15
Published
Vulnerability first disclosed
19 Nov 2025, 01:12
Last Modified
Vulnerability information updated

Description

A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..

CVSS Metrics

  • v3.1•CRITICAL•Score: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Systems

  • debian•webkit2gtk

    < 2.32.0-2 | < 2.32.0-2 | < 2.32.0-2 | < 2.32.0-2

  • debian•wpewebkit

    < 2.32.0-2 | < 2.32.0-2 | < 2.32.0-2 | < 2.32.0-2

References (1)