CVE-2023-45229

low-risk

Published 2024-01-16

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.

Do I need to act?

0.13% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 6.5/10 Medium

ADJACENT_NETWORK / LOW complexity

Affected Products (1)

Edk2

Affected Vendors

Tianocore

References (10)

Third Party Advisory http://packetstormsecurity.com/files/176574/PixieFail-Proof-Of-Concepts.html

Mailing List http://www.openwall.com/lists/oss-security/2024/01/16/2

Vendor Advisory https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h

https://security.netapp.com/advisory/ntap-20240307-0011/

Third Party Advisory http://packetstormsecurity.com/files/176574/PixieFail-Proof-Of-Concepts.html

Mailing List http://www.openwall.com/lists/oss-security/2024/01/16/2

Vendor Advisory https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h

https://lists.debian.org/debian-lts-announce/2025/06/msg00007.html

https://security.netapp.com/advisory/ntap-20240307-0011/

https://www.kb.cert.org/vuls/id/132380

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low-risk

Severity 21/34 · High

Exploitability 1/34 · Minimal

Exposure 5/34 · Minimal