EDK2's Network Package is susceptible to a buffer overflow vulnerability when processing DNS Servers option from a DHCPv6 Advertise message. This
vulnerability can be exploited by an attacker to gain unauthorized
access and potentially lead to a loss of Confidentiality, Integrity and/or Availability.

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-4207-1 edk2 security update
Debian DSA Debian DSA DSA-5624-1 edk2 security update
EUVD EUVD EUVD-2023-49540 EDK2's Network Package is susceptible to a buffer overflow vulnerability when processing DNS Servers option from a DHCPv6 Advertise message. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality, Integrity and/or Availability.
Ubuntu USN Ubuntu USN USN-6638-1 EDK II vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Tue, 04 Nov 2025 19:30:00 +0000

Type Values Removed Values Added
References

Mon, 03 Nov 2025 20:30:00 +0000

Type Values Removed Values Added
References

Tue, 17 Jun 2025 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 13 Feb 2025 17:30:00 +0000

Type Values Removed Values Added
Description EDK2's Network Package is susceptible to a buffer overflow vulnerability when processing DNS Servers option from a DHCPv6 Advertise message. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality, Integrity and/or Availability. EDK2's Network Package is susceptible to a buffer overflow vulnerability when processing DNS Servers option from a DHCPv6 Advertise message. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality, Integrity and/or Availability.

cve-icon MITRE

Status: PUBLISHED

Assigner: TianoCore

Published:

Updated: 2025-11-04T18:17:38.632Z

Reserved: 2023-10-05T20:48:19.879Z

Link: CVE-2023-45234

cve-icon Vulnrichment

Updated: 2025-11-04T18:17:38.632Z

cve-icon NVD

Status : Modified

Published: 2024-01-16T16:15:12.460

Modified: 2025-11-04T19:16:00.700

Link: CVE-2023-45234

cve-icon Redhat

Severity : Important

Publid Date: 2024-01-16T00:00:00Z

Links: CVE-2023-45234 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses