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Vulnerability details: VCID-nfr5-81bf-fuc5
Vulnerability ID VCID-nfr5-81bf-fuc5
Aliases CVE-2023-6516
Summary bind9: Specific recursive query patterns may lead to an out-of-memory condition
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-400 Uncontrolled Resource Consumption
System Score Found at
cvssv3 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-6516.json
epss 0.00177 https://api.first.org/data/v1/epss?cve=CVE-2023-6516
epss 0.00177 https://api.first.org/data/v1/epss?cve=CVE-2023-6516
epss 0.00177 https://api.first.org/data/v1/epss?cve=CVE-2023-6516
epss 0.00177 https://api.first.org/data/v1/epss?cve=CVE-2023-6516
epss 0.00177 https://api.first.org/data/v1/epss?cve=CVE-2023-6516
epss 0.00177 https://api.first.org/data/v1/epss?cve=CVE-2023-6516
epss 0.00177 https://api.first.org/data/v1/epss?cve=CVE-2023-6516
epss 0.00177 https://api.first.org/data/v1/epss?cve=CVE-2023-6516
cvssv3.1 7.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 7.5 https://kb.isc.org/docs/cve-2023-6516
ssvc Track https://kb.isc.org/docs/cve-2023-6516
cvssv3.1 7.5 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PNNHZSZPG2E7NBMBNYPGHCFI4V4XRWNQ/
ssvc Track https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PNNHZSZPG2E7NBMBNYPGHCFI4V4XRWNQ/
cvssv3.1 7.5 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZDZFMEKQTZ4L7RY46FCENWFB5MDT263R/
ssvc Track https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZDZFMEKQTZ4L7RY46FCENWFB5MDT263R/
cvssv3.1 7.5 https://security.netapp.com/advisory/ntap-20240503-0008/
ssvc Track https://security.netapp.com/advisory/ntap-20240503-0008/
cvssv3.1 7.5 http://www.openwall.com/lists/oss-security/2024/02/13/1
ssvc Track http://www.openwall.com/lists/oss-security/2024/02/13/1
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-6516.json
https://api.first.org/data/v1/epss?cve=CVE-2023-6516
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-6516
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
1 http://www.openwall.com/lists/oss-security/2024/02/13/1
2263911 https://bugzilla.redhat.com/show_bug.cgi?id=2263911
cve-2023-6516 https://kb.isc.org/docs/cve-2023-6516
ntap-20240503-0008 https://security.netapp.com/advisory/ntap-20240503-0008/
PNNHZSZPG2E7NBMBNYPGHCFI4V4XRWNQ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PNNHZSZPG2E7NBMBNYPGHCFI4V4XRWNQ/
RHSA-2024:1647 https://access.redhat.com/errata/RHSA-2024:1647
RHSA-2024:1648 https://access.redhat.com/errata/RHSA-2024:1648
RHSA-2024:1781 https://access.redhat.com/errata/RHSA-2024:1781
RHSA-2024:1789 https://access.redhat.com/errata/RHSA-2024:1789
RHSA-2024:1800 https://access.redhat.com/errata/RHSA-2024:1800
RHSA-2024:1803 https://access.redhat.com/errata/RHSA-2024:1803
RHSA-2024:2551 https://access.redhat.com/errata/RHSA-2024:2551
USN-6642-1 https://usn.ubuntu.com/6642-1/
ZDZFMEKQTZ4L7RY46FCENWFB5MDT263R https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZDZFMEKQTZ4L7RY46FCENWFB5MDT263R/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-6516.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

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physical

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://kb.isc.org/docs/cve-2023-6516
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

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unchanged

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Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-02-20T16:01:15Z/ Found at https://kb.isc.org/docs/cve-2023-6516
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PNNHZSZPG2E7NBMBNYPGHCFI4V4XRWNQ/
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

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required

unchanged

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Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-02-20T16:01:15Z/ Found at https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PNNHZSZPG2E7NBMBNYPGHCFI4V4XRWNQ/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZDZFMEKQTZ4L7RY46FCENWFB5MDT263R/
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

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none
Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-02-20T16:01:15Z/ Found at https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZDZFMEKQTZ4L7RY46FCENWFB5MDT263R/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://security.netapp.com/advisory/ntap-20240503-0008/
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

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high

low

none

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low

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Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-02-20T16:01:15Z/ Found at https://security.netapp.com/advisory/ntap-20240503-0008/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at http://www.openwall.com/lists/oss-security/2024/02/13/1
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

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none

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Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-02-20T16:01:15Z/ Found at http://www.openwall.com/lists/oss-security/2024/02/13/1
Exploit Prediction Scoring System (EPSS)
Percentile 0.39339
EPSS Score 0.00177
Published At April 2, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:49:50.767390+00:00 RedHat Importer Import https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-6516.json 38.0.0