DEBIAN-CVE-2021-30818

Advisory lineage Upstream: 1 Downstream: 2
Upstream
CVE-2021-30818
Published: 28 Oct 2021, 19:15
Last modified:20 Nov 2025, 10:15

Vulnerability Summary

Overall Risk (default)
medium
35/100
CVSS Score
8.8 HIGH
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

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

Description

A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, tvOS 15, iOS 15 and iPadOS 15, Safari 15, watchOS 8. Processing maliciously crafted web content may lead to arbitrary code execution.

CVSS Metrics

  • v3.1•HIGH•Score: 8.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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)