
CVE catalog
CVE-2023-45235
edk2 affected and fixed versions
EDK2's Network Package is susceptible to a buffer overflow vulnerability when handling Server ID option from a DHCPv6 proxy 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.
- Severity
- High · CVSS 8.8
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 1.22% · Oct 27, 2026
Projects and upstream resources
Reported versions and fixes
Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.
| Distribution / release | Package | Version | Status | Source |
|---|---|---|---|---|
| Debiantrixie | edk2 | 2023.11-6 | FixedDistribution-reported fixed boundary | [CVE-2023-45235] |
| Debiantrixie | edk2 | 2025.02-8+deb13u1 | Fixed | [CVE-2023-45235] |
| Debiansid | edk2 | 2023.11-6 | FixedDistribution-reported fixed boundary | [CVE-2023-45235] |
| Debiansid | edk2 | 2026.08+ds-2 | Fixed | [CVE-2023-45235] |
| Debianforky | edk2 | 2023.11-6 | FixedDistribution-reported fixed boundary | [CVE-2023-45235] |
| Debianforky | edk2 | 2026.08+ds-2 | Fixed | [CVE-2023-45235] |
| Debianbookworm-security | edk2 | 2022.11-6+deb12u1 | Fixed | [CVE-2023-45235] |
| Debianbookworm | edk2 | 2022.11-6+deb12u1 | FixedDistribution-reported fixed boundary | [CVE-2023-45235] |
| Debianbookworm | edk2 | 2022.11-6+deb12u2 | Fixed | [CVE-2023-45235] |
Showing 9 fix observations. All 48 observations, including unknown and conflicting reports, are available below.
Provider details and historical evidence
| Distribution / release | Package | Version | Status | Source |
|---|---|---|---|---|
| Debianbookworm | edk2 | 2022.11-6+deb12u1 | FixedDistribution-reported fixed boundary | [CVE-2023-45235] |
| Debianbookworm | edk2 | 2022.11-6+deb12u2 | Fixed | [CVE-2023-45235] |
| Debianbookworm-security | edk2 | 2022.11-6+deb12u1 | Fixed | [CVE-2023-45235] |
| Debianforky | edk2 | 2023.11-6 | FixedDistribution-reported fixed boundary | [CVE-2023-45235] |
| Debianforky | edk2 | 2026.08+ds-2 | Fixed | [CVE-2023-45235] |
| Debiansid | edk2 | 2023.11-6 | FixedDistribution-reported fixed boundary | [CVE-2023-45235] |
| Debiansid | edk2 | 2026.08+ds-2 | Fixed | [CVE-2023-45235] |
| Debiantrixie | edk2 | 2023.11-6 | FixedDistribution-reported fixed boundary | [CVE-2023-45235] |
| Debiantrixie | edk2 | 2025.02-8+deb13u1 | Fixed | [CVE-2023-45235] |
| Ubuntu20.04 | edk2 | 0~20190606.20d2e5a1-2ubuntu1 | UnknownSource applicability is not established | [UBUNTU-CVE-2023-45235] |
| Ubuntu20.04 | edk2 | 0~20190828.37eef910-3 | UnknownSource applicability is not established | [UBUNTU-CVE-2023-45235] |
| Ubuntu20.04 | edk2 | 0~20190828.37eef910-4 | UnknownSource applicability is not established | [UBUNTU-CVE-2023-45235] |
| Ubuntu20.04 | edk2 | 0~20191122.bd85bf54-1 | UnknownSource applicability is not established | [UBUNTU-CVE-2023-45235] |
| Ubuntu20.04 | edk2 | 0~20191122.bd85bf54-1ubuntu1 | UnknownSource applicability is not established | [UBUNTU-CVE-2023-45235] |
| Ubuntu20.04 | edk2 | 0~20191122.bd85bf54-2 | UnknownSource applicability is not established | [UBUNTU-CVE-2023-45235] |
| Ubuntu20.04 | edk2 | 0~20191122.bd85bf54-2ubuntu1 | UnknownSource applicability is not established | [UBUNTU-CVE-2023-45235] |
| Ubuntu20.04 | edk2 | 0~20191122.bd85bf54-2ubuntu2 | UnknownSource applicability is not established | [UBUNTU-CVE-2023-45235] |
| Ubuntu20.04 | edk2 | 0~20191122.bd85bf54-2ubuntu3 | UnknownSource applicability is not established | [UBUNTU-CVE-2023-45235] |
| Ubuntu20.04 | edk2 | 0~20191122.bd85bf54-2ubuntu3.1 | UnknownSource applicability is not established | [UBUNTU-CVE-2023-45235] |
| Ubuntu20.04 | edk2 | 0~20191122.bd85bf54-2ubuntu3.2 | UnknownSource applicability is not established | [UBUNTU-CVE-2023-45235] |
| Ubuntu20.04 | edk2 | 0~20191122.bd85bf54-2ubuntu3.3 | UnknownSource applicability is not established | [UBUNTU-CVE-2023-45235] |
| Ubuntu20.04 | edk2 | 0~20191122.bd85bf54-2ubuntu3.4 | UnknownSource applicability is not established | [UBUNTU-CVE-2023-45235] |
| Ubuntu20.04 | edk2 | 0~20191122.bd85bf54-2ubuntu3.5 | UnknownSource applicability is not established | [UBUNTU-CVE-2023-45235] |
| Ubuntu22.04 | edk2 | 2021.08-3 | UnknownSource applicability is not established | [UBUNTU-CVE-2023-45235] |
| Ubuntu22.04 | edk2 | 2021.08~rc0-2 | UnknownSource applicability is not established | [UBUNTU-CVE-2023-45235] |
| Ubuntu22.04 | edk2 | 2021.11-1 | UnknownSource applicability is not established | [UBUNTU-CVE-2023-45235] |
| Ubuntu22.04 | edk2 | 2021.11-2 | UnknownSource applicability is not established | [UBUNTU-CVE-2023-45235] |
| Ubuntu22.04 | edk2 | 2021.11~rc1-1 | UnknownSource applicability is not established | [UBUNTU-CVE-2023-45235] |
| Ubuntu22.04 | edk2 | 2022.02-1 | UnknownSource applicability is not established | [UBUNTU-CVE-2023-45235] |
| Ubuntu22.04 | edk2 | 2022.02-2 | UnknownSource applicability is not established | [UBUNTU-CVE-2023-45235] |
| Ubuntu22.04 | edk2 | 2022.02-3 | UnknownSource applicability is not established | [UBUNTU-CVE-2023-45235] |
| Ubuntu22.04 | edk2 | 2022.02-3ubuntu0.22.04.1 | UnknownSource applicability is not established | [UBUNTU-CVE-2023-45235] |
| Ubuntu22.04 | edk2 | 2022.02-3ubuntu0.22.04.2 | UnknownSource applicability is not established | [UBUNTU-CVE-2023-45235] |
| Ubuntu22.04 | edk2 | 2022.02~rc1-1 | UnknownSource applicability is not established | [UBUNTU-CVE-2023-45235] |
| Ubuntu22.04 | edk2 | 2022.02~rc1-1ubuntu1 | UnknownSource applicability is not established | [UBUNTU-CVE-2023-45235] |
| Ubuntupro | edk2 | 0~20170911.5dfba97c-1 | UnknownSource applicability is not established | [UBUNTU-CVE-2023-45235] |
| Ubuntupro | edk2 | 0~20171010.234dbcef-1 | UnknownSource applicability is not established | [UBUNTU-CVE-2023-45235] |
| Ubuntupro | edk2 | 0~20171027.76fd5a66-1 | UnknownSource applicability is not established | [UBUNTU-CVE-2023-45235] |
| Ubuntupro | edk2 | 0~20171205.a9212288-1 | UnknownSource applicability is not established | [UBUNTU-CVE-2023-45235] |
| Ubuntupro | edk2 | 0~20180105.0bc94c74-1 | UnknownSource applicability is not established | [UBUNTU-CVE-2023-45235] |
| Ubuntupro | edk2 | 0~20180205.c0d9813c-1 | UnknownSource applicability is not established | [UBUNTU-CVE-2023-45235] |
| Ubuntupro | edk2 | 0~20180205.c0d9813c-2 | UnknownSource applicability is not established | [UBUNTU-CVE-2023-45235] |
| Ubuntupro | edk2 | 0~20180205.c0d9813c-2ubuntu0.1 | UnknownSource applicability is not established | [UBUNTU-CVE-2023-45235] |
| Ubuntupro | edk2 | 0~20180205.c0d9813c-2ubuntu0.2 | UnknownSource applicability is not established | [UBUNTU-CVE-2023-45235] |
| Ubuntupro | edk2 | 0~20180205.c0d9813c-2ubuntu0.3 | UnknownSource applicability is not established | [UBUNTU-CVE-2023-45235] |
| Ubuntupro | edk2 | 0~20180205.c0d9813c-2ubuntu0.3+esm1 | UnknownSource applicability is not established | [UBUNTU-CVE-2023-45235] |
| Ubuntupro | edk2 | 0~20180205.c0d9813c-2ubuntu0.3+esm2 | UnknownSource applicability is not established | [UBUNTU-CVE-2023-45235] |
| Ubuntupro | edk2 | 0~20180205.c0d9813c-2ubuntu0.3+esm3 | UnknownSource applicability is not established | [UBUNTU-CVE-2023-45235] |
Original provider fields
{
"package_releases": [
{
"name": "edk2",
"status": "fixed",
"release": "sid",
"version": "2026.08+ds-2"
},
{
"name": "edk2",
"status": "fixed",
"release": "forky",
"version": "2026.08+ds-2"
},
{
"name": "edk2",
"status": "fixed",
"release": "trixie",
"version": "2025.02-8+deb13u1"
},
{
"name": "edk2",
"status": "fixed",
"release": "bookworm",
"version": "2022.11-6+deb12u2"
},
{
"name": "edk2",
"status": "fixed",
"release": "bookworm-security",
"version": "2022.11-6+deb12u1"
}
],
"fixed_versions": [
{
"bug": 1061256,
"name": "edk2",
"type": "source",
"origin": null,
"release": "sid",
"urgency": "not yet assigned",
"fixed_version": "2023.11-6"
},
{
"bug": 1061256,
"name": "edk2",
"type": "source",
"origin": null,
"release": "forky",
"urgency": "not yet assigned",
"fixed_version": "2023.11-6"
},
{
"bug": 1061256,
"name": "edk2",
"type": "source",
"origin": null,
"release": "trixie",
"urgency": "not yet assigned",
"fixed_version": "2023.11-6"
},
{
"bug": 1061256,
"name": "edk2",
"type": "source",
"origin": null,
"release": "bookworm",
"urgency": "not yet assigned",
"fixed_version": "2022.11-6+deb12u1"
}
],
"distribution_packages": [
{
"name": "edk2",
"distro": "ubuntu",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"release": "pro",
"versions": [
"0~20170911.5dfba97c-1",
"0~20171010.234dbcef-1",
"0~20171027.76fd5a66-1",
"0~20171205.a9212288-1",
"0~20180105.0bc94c74-1",
"0~20180205.c0d9813c-1",
"0~20180205.c0d9813c-2",
"0~20180205.c0d9813c-2ubuntu0.1",
"0~20180205.c0d9813c-2ubuntu0.2",
"0~20180205.c0d9813c-2ubuntu0.3",
"0~20180205.c0d9813c-2ubuntu0.3+esm1",
"0~20180205.c0d9813c-2ubuntu0.3+esm2",
"0~20180205.c0d9813c-2ubuntu0.3+esm3"
],
"ecosystem": "deb",
"provider_url": "https://osv.dev/vulnerability/UBUNTU-CVE-2023-45235",
"fixed_version": "",
"provider_source": "pypi",
"provider_record_id": "UBUNTU-CVE-2023-45235",
"provider_updated_at": "2026-10-05T19:20:38.313624466Z",
"applicability_unknown": true
},
{
"name": "edk2",
"distro": "ubuntu",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0~20191122.bd85bf54-2ubuntu3.5"
}
]
}
],
"release": "20.04",
"versions": [
"0~20190606.20d2e5a1-2ubuntu1",
"0~20190828.37eef910-3",
"0~20190828.37eef910-4",
"0~20191122.bd85bf54-1",
"0~20191122.bd85bf54-1ubuntu1",
"0~20191122.bd85bf54-2",
"0~20191122.bd85bf54-2ubuntu1",
"0~20191122.bd85bf54-2ubuntu2",
"0~20191122.bd85bf54-2ubuntu3",
"0~20191122.bd85bf54-2ubuntu3.1",
"0~20191122.bd85bf54-2ubuntu3.2",
"0~20191122.bd85bf54-2ubuntu3.3",
"0~20191122.bd85bf54-2ubuntu3.4"
],
"ecosystem": "deb",
"provider_url": "https://osv.dev/vulnerability/UBUNTU-CVE-2023-45235",
"fixed_version": "0~20191122.bd85bf54-2ubuntu3.5",
"provider_source": "pypi",
"provider_record_id": "UBUNTU-CVE-2023-45235",
"provider_updated_at": "2026-10-05T19:20:38.313624466Z",
"applicability_unknown": true
},
{
"name": "edk2",
"distro": "ubuntu",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2022.02-3ubuntu0.22.04.2"
}
]
}
],
"release": "22.04",
"versions": [
"2021.08~rc0-2",
"2021.08-3",
"2021.11~rc1-1",
"2021.11-1",
"2021.11-2",
"2022.02~rc1-1",
"2022.02~rc1-1ubuntu1",
"2022.02-1",
"2022.02-2",
"2022.02-3",
"2022.02-3ubuntu0.22.04.1"
],
"ecosystem": "deb",
"provider_url": "https://osv.dev/vulnerability/UBUNTU-CVE-2023-45235",
"fixed_version": "2022.02-3ubuntu0.22.04.2",
"provider_source": "pypi",
"provider_record_id": "UBUNTU-CVE-2023-45235",
"provider_updated_at": "2026-10-05T19:20:38.313624466Z",
"applicability_unknown": true
}
]
}OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
[Debian 12 (Bookworm)]
- [ovmf]Unknown
Source package: [edk2]
Details (4)
2022.11-6+deb12u2· all · bookwormFixed · Fixed:
2022.11-6+deb12u1dsa · edk2 · debian · bookworm; dsa · edk2 · debian · 12
2022.11-6+deb12u2· all · bookwormFixed · Fixed:
2022.11-6+deb12u1dsa · edk2 · debian · bookworm; dsa · edk2 · debian · 12
2022.11-6+deb12u1· all · bookworm-securityFixed · Fixed:
2022.11-6+deb12u1dsa · edk2 · debian · bookworm; dsa · edk2 · debian · 12
2022.11-6+deb12u1· all · bookworm-securityFixed · Fixed:
2022.11-6+deb12u1dsa · edk2 · debian · bookworm; dsa · edk2 · debian · 12
- [ovmf-ia32]Unknown
Source package: [edk2]
Details (4)
2022.11-6+deb12u2· all · bookwormFixed · Fixed:
2022.11-6+deb12u1dsa · edk2 · debian · bookworm; dsa · edk2 · debian · 12
2022.11-6+deb12u2· all · bookwormFixed · Fixed:
2022.11-6+deb12u1dsa · edk2 · debian · bookworm; dsa · edk2 · debian · 12
2022.11-6+deb12u1· all · bookworm-securityFixed · Fixed:
2022.11-6+deb12u1dsa · edk2 · debian · bookworm; dsa · edk2 · debian · 12
2022.11-6+deb12u1· all · bookworm-securityFixed · Fixed:
2022.11-6+deb12u1dsa · edk2 · debian · bookworm; dsa · edk2 · debian · 12
- [qemu-efi]Unknown
Source package: [edk2]
Details (4)
2022.11-6+deb12u2· all · bookwormFixed · Fixed:
2022.11-6+deb12u1dsa · edk2 · debian · bookworm; dsa · edk2 · debian · 12
2022.11-6+deb12u2· all · bookwormFixed · Fixed:
2022.11-6+deb12u1dsa · edk2 · debian · bookworm; dsa · edk2 · debian · 12
2022.11-6+deb12u1· all · bookworm-securityFixed · Fixed:
2022.11-6+deb12u1dsa · edk2 · debian · bookworm; dsa · edk2 · debian · 12
2022.11-6+deb12u1· all · bookworm-securityFixed · Fixed:
2022.11-6+deb12u1dsa · edk2 · debian · bookworm; dsa · edk2 · debian · 12
- [qemu-efi-aarch64]Unknown
Source package: [edk2]
Details (4)
2022.11-6+deb12u2· all · bookwormFixed · Fixed:
2022.11-6+deb12u1dsa · edk2 · debian · bookworm; dsa · edk2 · debian · 12
2022.11-6+deb12u2· all · bookwormFixed · Fixed:
2022.11-6+deb12u1dsa · edk2 · debian · bookworm; dsa · edk2 · debian · 12
2022.11-6+deb12u1· all · bookworm-securityFixed · Fixed:
2022.11-6+deb12u1dsa · edk2 · debian · bookworm; dsa · edk2 · debian · 12
2022.11-6+deb12u1· all · bookworm-securityFixed · Fixed:
2022.11-6+deb12u1dsa · edk2 · debian · bookworm; dsa · edk2 · debian · 12
- [qemu-efi-arm]Unknown
Source package: [edk2]
Details (4)
2022.11-6+deb12u2· all · bookwormFixed · Fixed:
2022.11-6+deb12u1dsa · edk2 · debian · bookworm; dsa · edk2 · debian · 12
2022.11-6+deb12u2· all · bookwormFixed · Fixed:
2022.11-6+deb12u1dsa · edk2 · debian · bookworm; dsa · edk2 · debian · 12
2022.11-6+deb12u1· all · bookworm-securityFixed · Fixed:
2022.11-6+deb12u1dsa · edk2 · debian · bookworm; dsa · edk2 · debian · 12
2022.11-6+deb12u1· all · bookworm-securityFixed · Fixed:
2022.11-6+deb12u1dsa · edk2 · debian · bookworm; dsa · edk2 · debian · 12
[Debian 13 (Trixie)]
- [efi-shell-aa64]Unknown
Source package: [edk2]
Details (2)
2025.02-8+deb13u1· all · trixieFixed · Fixed:
2023.11-6dsa · edk2 · debian · 13
2025.02-8+deb13u1· all · trixieFixed · Fixed:
2023.11-6dsa · edk2 · debian · 13
- [efi-shell-arm]Unknown
Source package: [edk2]
Details (2)
2025.02-8+deb13u1· all · trixieFixed · Fixed:
2023.11-6dsa · edk2 · debian · 13
2025.02-8+deb13u1· all · trixieFixed · Fixed:
2023.11-6dsa · edk2 · debian · 13
- [efi-shell-ia32]Unknown
Source package: [edk2]
Details (2)
2025.02-8+deb13u1· all · trixieFixed · Fixed:
2023.11-6dsa · edk2 · debian · 13
2025.02-8+deb13u1· all · trixieFixed · Fixed:
2023.11-6dsa · edk2 · debian · 13
- [efi-shell-loongarch64]Unknown
Source package: [edk2]
Details (2)
2025.02-8+deb13u1· all · trixieFixed · Fixed:
2023.11-6dsa · edk2 · debian · 13
2025.02-8+deb13u1· all · trixieFixed · Fixed:
2023.11-6dsa · edk2 · debian · 13
- [efi-shell-riscv64]Unknown
Source package: [edk2]
Details (2)
2025.02-8+deb13u1· all · trixieFixed · Fixed:
2023.11-6dsa · edk2 · debian · 13
2025.02-8+deb13u1· all · trixieFixed · Fixed:
2023.11-6dsa · edk2 · debian · 13
- [efi-shell-x64]Unknown
Source package: [edk2]
Details (2)
2025.02-8+deb13u1· all · trixieFixed · Fixed:
2023.11-6dsa · edk2 · debian · 13
2025.02-8+deb13u1· all · trixieFixed · Fixed:
2023.11-6dsa · edk2 · debian · 13
- [ovmf]Unknown
Source package: [edk2]
Details (2)
2025.02-8+deb13u1· all · trixieFixed · Fixed:
2023.11-6dsa · edk2 · debian · 13
2025.02-8+deb13u1· all · trixieFixed · Fixed:
2023.11-6dsa · edk2 · debian · 13
- [ovmf-ia32]Unknown
Source package: [edk2]
Details (2)
2025.02-8+deb13u1· all · trixieFixed · Fixed:
2023.11-6dsa · edk2 · debian · 13
2025.02-8+deb13u1· all · trixieFixed · Fixed:
2023.11-6dsa · edk2 · debian · 13
- [qemu-efi-aarch64]Unknown
Source package: [edk2]
Details (2)
2025.02-8+deb13u1· all · trixieFixed · Fixed:
2023.11-6dsa · edk2 · debian · 13
2025.02-8+deb13u1· all · trixieFixed · Fixed:
2023.11-6dsa · edk2 · debian · 13
- [qemu-efi-arm]Unknown
Source package: [edk2]
Details (2)
2025.02-8+deb13u1· all · trixieFixed · Fixed:
2023.11-6dsa · edk2 · debian · 13
2025.02-8+deb13u1· all · trixieFixed · Fixed:
2023.11-6dsa · edk2 · debian · 13
- [qemu-efi-loongarch64]Unknown
Source package: [edk2]
Details (2)
2025.02-8+deb13u1· all · trixieFixed · Fixed:
2023.11-6dsa · edk2 · debian · 13
2025.02-8+deb13u1· all · trixieFixed · Fixed:
2023.11-6dsa · edk2 · debian · 13
- [qemu-efi-riscv64]Unknown
Source package: [edk2]
Details (2)
2025.02-8+deb13u1· all · trixieFixed · Fixed:
2023.11-6dsa · edk2 · debian · 13
2025.02-8+deb13u1· all · trixieFixed · Fixed:
2023.11-6dsa · edk2 · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/suse-su-2026_0196-1.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2023-45235]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2023-45235]
- [https://psirt.abb.com/csaf/2026/sa24p003.json]
- [https://security-tracker.debian.org/tracker/CVE-2023-45235]
- [https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-45235.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2024/wid-sec-w-2024-0126.json]
[CERT-Bund public advisories] · [CISA cybersecurity advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]