DEBIAN-CVE-2021-30884

Advisory lineage Upstream: 1 Downstream: 2
Upstream
CVE-2021-30884
Published: 24 Aug 2021, 19:15
Last modified:20 Nov 2025, 10:15

Vulnerability Summary

Overall Risk (default)
low
19/100
CVSS Score
4.7 MEDIUM
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

24 Aug 2021, 19:15
Published
Vulnerability first disclosed
20 Nov 2025, 10:15
Last Modified
Vulnerability information updated

Description

The issue was resolved with additional restrictions on CSS compositing. This issue is fixed in tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Visiting a maliciously crafted website may reveal a user's browsing history.

CVSS Metrics

  • v3.1•MEDIUM•Score: 4.7CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N

Affected Systems

  • debian•webkit2gtk

    < 2.34.1-1~deb11u1 | < 2.34.1-1 | < 2.34.1-1 | < 2.34.1-1

  • debian•wpewebkit

    < 2.34.1-1~deb11u1 | < 2.34.1-1 | < 2.34.1-1 | < 2.34.1-1

References (1)