CVE-2021-45483
6.5
MEDIUM
CVSS 3.1
EPSS 0.04%
Description
In WebKitGTK before 2.32.4, there is a use-after-free in WebCore::Frame::page, a different vulnerability than CVE-2021-30889.
How to fix CVE-2021-45483
To remediate CVE-2021-45483, upgrade the affected package to a fixed version below.
- Debian/webkit2gtk—upgrade to 2.34.1-1~deb11u1 or later
- Debian/wpewebkit—upgrade to 2.34.1-1~deb11u1 or later
Is CVE-2021-45483 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.34.1-1~deb11u1
- from 0, < 2.34.1-1~deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |