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Vulnerability details: VCID-ha36-4zhr-mfcu
Vulnerability ID VCID-ha36-4zhr-mfcu
Aliases CVE-2023-45234
Summary edk2: Buffer overflow when processing DNS Servers option in a DHCPv6 Advertise message
Status Published
Exploitability 0.5
Weighted Severity 7.9
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
System Score Found at
cvssv3.1 8.3 http://packetstormsecurity.com/files/176574/PixieFail-Proof-Of-Concepts.html
ssvc Track http://packetstormsecurity.com/files/176574/PixieFail-Proof-Of-Concepts.html
cvssv3 8.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-45234.json
epss 0.00307 https://api.first.org/data/v1/epss?cve=CVE-2023-45234
epss 0.00307 https://api.first.org/data/v1/epss?cve=CVE-2023-45234
epss 0.00307 https://api.first.org/data/v1/epss?cve=CVE-2023-45234
epss 0.00307 https://api.first.org/data/v1/epss?cve=CVE-2023-45234
epss 0.00307 https://api.first.org/data/v1/epss?cve=CVE-2023-45234
epss 0.00307 https://api.first.org/data/v1/epss?cve=CVE-2023-45234
epss 0.00307 https://api.first.org/data/v1/epss?cve=CVE-2023-45234
cvssv3.1 8.3 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 8.3 https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h
ssvc Track https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h
cvssv3.1 8.3 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/
ssvc Track https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/
cvssv3.1 8.3 https://security.netapp.com/advisory/ntap-20240307-0011/
ssvc Track https://security.netapp.com/advisory/ntap-20240307-0011/
cvssv3.1 8.3 http://www.openwall.com/lists/oss-security/2024/01/16/2
ssvc Track http://www.openwall.com/lists/oss-security/2024/01/16/2
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-45234.json
https://api.first.org/data/v1/epss?cve=CVE-2023-45234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-45234
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
1061256 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1061256
2 http://www.openwall.com/lists/oss-security/2024/01/16/2
2258697 https://bugzilla.redhat.com/show_bug.cgi?id=2258697
GHSA-hc6x-cw6p-gj7h https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h
ntap-20240307-0011 https://security.netapp.com/advisory/ntap-20240307-0011/
PixieFail-Proof-Of-Concepts.html http://packetstormsecurity.com/files/176574/PixieFail-Proof-Of-Concepts.html
RHSA-2024:1063 https://access.redhat.com/errata/RHSA-2024:1063
RHSA-2024:1075 https://access.redhat.com/errata/RHSA-2024:1075
RHSA-2024:1076 https://access.redhat.com/errata/RHSA-2024:1076
RHSA-2024:1077 https://access.redhat.com/errata/RHSA-2024:1077
RHSA-2024:1305 https://access.redhat.com/errata/RHSA-2024:1305
RHSA-2024:1415 https://access.redhat.com/errata/RHSA-2024:1415
RHSA-2024:1722 https://access.redhat.com/errata/RHSA-2024:1722
RHSA-2024:3497 https://access.redhat.com/errata/RHSA-2024:3497
SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/
USN-6638-1 https://usn.ubuntu.com/6638-1/
No exploits are available.
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H Found at http://packetstormsecurity.com/files/176574/PixieFail-Proof-Of-Concepts.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-06-17T20:09:26Z/ Found at http://packetstormsecurity.com/files/176574/PixieFail-Proof-Of-Concepts.html
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-45234.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H Found at https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-06-17T20:09:26Z/ Found at https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H Found at https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-06-17T20:09:26Z/ Found at https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H Found at https://security.netapp.com/advisory/ntap-20240307-0011/
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-06-17T20:09:26Z/ Found at https://security.netapp.com/advisory/ntap-20240307-0011/
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H Found at http://www.openwall.com/lists/oss-security/2024/01/16/2
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-06-17T20:09:26Z/ Found at http://www.openwall.com/lists/oss-security/2024/01/16/2
Exploit Prediction Scoring System (EPSS)
Percentile 0.53807
EPSS Score 0.00307
Published At April 7, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:50:25.167333+00:00 RedHat Importer Import https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-45234.json 38.0.0