CVE-2023-45229

Out-of-Bounds Read in EDK II Network Package

MEDIUM
6.5
CVSS Score
Published: January 16, 2024 at 04:07 PM UTC
Updated: June 17, 2026 at 06:28 AM UTC
1 product affected across 1 vendorEDK2

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Severity
MEDIUM6.5
Exploit prediction
EPSS 1.0%
SSVC
No known exploit

Description

EDK2's Network Package is susceptible to an out-of-bounds read vulnerability when processing the IA_NA or IA_TA option in a DHCPv6 Advertise message. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMTianoCore
Attack Vector
ADJACENT_NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-125

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