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Vulnerability details: VCID-pdjs-b2ws-rbdq
Vulnerability ID VCID-pdjs-b2ws-rbdq
Aliases CVE-2024-27316
Summary HTTP/2 incoming headers exceeding the limit are temporarily buffered in nghttp2 in order to generate an informative HTTP 413 response. If a client does not stop sending headers, this leads to memory exhaustion.
Status Published
Exploitability 2.0
Weighted Severity 6.8
Risk 10.0
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-400 Uncontrolled Resource Consumption
CWE-770 Allocation of Resources Without Limits or Throttling
System Score Found at
cvssv3 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2024-27316.json
epss 0.85404 https://api.first.org/data/v1/epss?cve=CVE-2024-27316
epss 0.85404 https://api.first.org/data/v1/epss?cve=CVE-2024-27316
epss 0.87872 https://api.first.org/data/v1/epss?cve=CVE-2024-27316
epss 0.87872 https://api.first.org/data/v1/epss?cve=CVE-2024-27316
epss 0.87872 https://api.first.org/data/v1/epss?cve=CVE-2024-27316
cvssv3.1 7.5 http://seclists.org/fulldisclosure/2024/Jul/18
ssvc Track http://seclists.org/fulldisclosure/2024/Jul/18
cvssv3.1 7.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 7.5 https://httpd.apache.org/security/vulnerabilities_24.html
ssvc Track https://httpd.apache.org/security/vulnerabilities_24.html
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2024-27316
cvssv3.1 7.5 https://support.apple.com/kb/HT214119
ssvc Track https://support.apple.com/kb/HT214119
cvssv3.1 7.5 https://www.openwall.com/lists/oss-security/2024/04/03/16
ssvc Track https://www.openwall.com/lists/oss-security/2024/04/03/16
cvssv3.1 7.5 http://www.openwall.com/lists/oss-security/2024/04/04/4
ssvc Track http://www.openwall.com/lists/oss-security/2024/04/04/4
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2024-27316.json
https://api.first.org/data/v1/epss?cve=CVE-2024-27316
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-31122
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-38709
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-43622
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-45802
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-24795
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-27316
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://httpd.apache.org/security/vulnerabilities_24.html
1068412 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1068412
16 https://www.openwall.com/lists/oss-security/2024/04/03/16
18 http://seclists.org/fulldisclosure/2024/Jul/18
2268277 https://bugzilla.redhat.com/show_bug.cgi?id=2268277
4 http://www.openwall.com/lists/oss-security/2024/04/04/4
cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*
cpe:2.3:a:netapp:ontap:9:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:ontap:9:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:*
CVE-2024-27316 https://httpd.apache.org/security/json/CVE-2024-27316.json
CVE-2024-27316 https://nvd.nist.gov/vuln/detail/CVE-2024-27316
HT214119 https://support.apple.com/kb/HT214119
RHSA-2024:1786 https://access.redhat.com/errata/RHSA-2024:1786
RHSA-2024:1872 https://access.redhat.com/errata/RHSA-2024:1872
RHSA-2024:2564 https://access.redhat.com/errata/RHSA-2024:2564
RHSA-2024:2693 https://access.redhat.com/errata/RHSA-2024:2693
RHSA-2024:2694 https://access.redhat.com/errata/RHSA-2024:2694
RHSA-2024:2891 https://access.redhat.com/errata/RHSA-2024:2891
RHSA-2024:2907 https://access.redhat.com/errata/RHSA-2024:2907
RHSA-2024:3402 https://access.redhat.com/errata/RHSA-2024:3402
RHSA-2024:3417 https://access.redhat.com/errata/RHSA-2024:3417
RHSA-2024:4390 https://access.redhat.com/errata/RHSA-2024:4390
USN-6729-1 https://usn.ubuntu.com/6729-1/
USN-6729-2 https://usn.ubuntu.com/6729-2/
USN-6729-3 https://usn.ubuntu.com/6729-3/
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-2024-27316.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

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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 http://seclists.org/fulldisclosure/2024/Jul/18
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

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Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-07-29T15:46:29Z/ Found at http://seclists.org/fulldisclosure/2024/Jul/18
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

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

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high

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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://httpd.apache.org/security/vulnerabilities_24.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

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none

required

unchanged

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high

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Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-07-29T15:46:29Z/ Found at https://httpd.apache.org/security/vulnerabilities_24.html
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2024-27316
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

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low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://support.apple.com/kb/HT214119
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

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none

required

unchanged

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Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-07-29T15:46:29Z/ Found at https://support.apple.com/kb/HT214119
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://www.openwall.com/lists/oss-security/2024/04/03/16
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:Y/T:P/P:M/B:A/M:M/D:T/2024-07-29T15:46:29Z/ Found at https://www.openwall.com/lists/oss-security/2024/04/03/16
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/2024/04/04/4
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:Y/T:P/P:M/B:A/M:M/D:T/2024-07-29T15:46:29Z/ Found at http://www.openwall.com/lists/oss-security/2024/04/04/4
Exploit Prediction Scoring System (EPSS)
Percentile 0.99334
EPSS Score 0.85404
Published At Aug. 2, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:29:09.776590+00:00 Apache HTTPD Importer Import https://httpd.apache.org/security/json/CVE-2024-27316.json 37.0.0