CVE-2023-45233
7.5
HIGH
CVSS 3.1
EPSS 0.46%
Description
EDK2's Network Package is susceptible to an infinite lop vulnerability when parsing a PadN option in the Destination Options header of IPv6. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Availability.
How to fix CVE-2023-45233
To remediate CVE-2023-45233, upgrade the affected package to a fixed version below.
- Debian/edk2—upgrade to 2020.11-2+deb11u3 or later
Is CVE-2023-45233 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2020.11-2+deb11u3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |