CVE-2023-39434
8.8
HIGH
CVSS 3.1
EPSS 0.50%
Description
A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 17 and iPadOS 17, watchOS 10, macOS Sonoma 14. Processing web content may lead to arbitrary code execution.
How to fix CVE-2023-39434
To remediate CVE-2023-39434, upgrade the affected package to a fixed version below.
- Debian/webkit2gtk—upgrade to 2.40.5-1~deb11u1 or later
- Debian/wpewebkit—no fix listed
Is CVE-2023-39434 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.40.5-1~deb11u1
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |