{"id":"CVE-2023-45233","url":"https://www.cyber-defence.io/tools/cve/CVE-2023-45233","generatedAt":"2026-10-28T02:16:16.203Z","title":"EDK2's Network Package is susceptible to an infinite lop vulnerability when parsing a PadN option in the Destination Options header of IPv6.","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\n vulnerability can be exploited by an attacker to gain unauthorized \naccess and potentially lead to a loss of Availability.","published":"2024-01-16T16:15:12.000Z","lastModified":"2026-06-17T06:28:30.000Z","status":"Modified","sourceIdentifier":"infosec@edk2.groups.io","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-835"],"affected":["tianocore/edk2"],"epss":{"score":0.02084,"percentile":0.81423,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (2.08%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://packetstormsecurity.com/files/176574/PixieFail-Proof-Of-Concepts.html","tags":["Third Party Advisory","VDB Entry"],"source":"infosec@edk2.groups.io"},{"url":"http://www.openwall.com/lists/oss-security/2024/01/16/2","tags":["Mailing List"],"source":"infosec@edk2.groups.io"},{"url":"https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h","tags":["Vendor Advisory"],"source":"infosec@edk2.groups.io"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/","source":"infosec@edk2.groups.io"},{"url":"https://security.netapp.com/advisory/ntap-20240307-0011/","source":"infosec@edk2.groups.io"},{"url":"http://packetstormsecurity.com/files/176574/PixieFail-Proof-Of-Concepts.html","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2024/01/16/2","tags":["Mailing List"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2025/06/msg00007.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20240307-0011/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.kb.cert.org/vuls/id/132380","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-45233","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}