Infinite loop in EDK II Network Package

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.

Scores

EPSS (exploitation in 30 days)

2.1% · top 18% of all CVEs (6 Nov 2026)

CISA SSVC

Exploitation: poc · Automatable: yes · Technical impact: total

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.

Weakness

• CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop') (opens in a new tab)All about CWE-835 and its CVEs

Affected products

• TianoCore · edk2

  • affected edk2-stable202308

References (7)

• https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h (opens in a new tab)vendor-advisoryx_transferred
• http://www.openwall.com/lists/oss-security/2024/01/16/2 (opens in a new tab)x_transferred
• http://packetstormsecurity.com/files/176574/PixieFail-Proof-Of-Concepts.html (opens in a new tab)x_transferred
• https://security.netapp.com/advisory/ntap-20240307-0011/ (opens in a new tab)x_transferred
• https://lists.fedoraproject.org/archives/list/[email protected]/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/ (opens in a new tab)x_transferred
• https://lists.debian.org/debian-lts-announce/2025/06/msg00007.html (opens in a new tab)
• https://www.kb.cert.org/vuls/id/132380 (opens in a new tab)

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2023-45233](https://trackcve.app/badge/CVE-2023-45233.svg)](https://trackcve.app/cve/CVE-2023-45233)

Record last updated 4 Nov 2025, 18:17 UTC.