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Vulnerability details: VCID-sct2-zzwr-p7a8
Vulnerability ID VCID-sct2-zzwr-p7a8
Aliases CVE-2018-14645
Summary A flaw was discovered in the HPACK decoder of HAProxy, before 1.8.14, that is used for HTTP/2. An out-of-bounds read access in hpack_valid_idx() resulted in a remote crash and denial of service.
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-125 Out-of-bounds Read
System Score Found at
cvssv3 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-14645.json
epss 0.00149 https://api.first.org/data/v1/epss?cve=CVE-2018-14645
epss 0.00149 https://api.first.org/data/v1/epss?cve=CVE-2018-14645
epss 0.00149 https://api.first.org/data/v1/epss?cve=CVE-2018-14645
epss 0.00149 https://api.first.org/data/v1/epss?cve=CVE-2018-14645
epss 0.00149 https://api.first.org/data/v1/epss?cve=CVE-2018-14645
epss 0.00149 https://api.first.org/data/v1/epss?cve=CVE-2018-14645
epss 0.00149 https://api.first.org/data/v1/epss?cve=CVE-2018-14645
epss 0.00149 https://api.first.org/data/v1/epss?cve=CVE-2018-14645
epss 0.00149 https://api.first.org/data/v1/epss?cve=CVE-2018-14645
epss 0.00149 https://api.first.org/data/v1/epss?cve=CVE-2018-14645
epss 0.00149 https://api.first.org/data/v1/epss?cve=CVE-2018-14645
epss 0.00149 https://api.first.org/data/v1/epss?cve=CVE-2018-14645
epss 0.00149 https://api.first.org/data/v1/epss?cve=CVE-2018-14645
cvssv3 7.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2018-14645
cvssv3 7.5 https://nvd.nist.gov/vuln/detail/CVE-2018-14645
Reference id Reference type URL
https://access.redhat.com/errata/RHBA-2019:0028
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-14645.json
https://api.first.org/data/v1/epss?cve=CVE-2018-14645
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14645
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-14645
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://www.mail-archive.com/haproxy%40formilux.org/msg31253.html
1630048 https://bugzilla.redhat.com/show_bug.cgi?id=1630048
cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift:3.10:*:*:*:enterprise:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:openshift:3.10:*:*:*:enterprise:*:*:*
cpe:2.3:a:redhat:openshift_container_platform:3.9:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:openshift_container_platform:3.9:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:7.3:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux:7.3:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:7.4:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux:7.4:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:7.5:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux:7.5:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:7.6:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux:7.6:*:*:*:*:*:*:*
CVE-2018-14645 https://nvd.nist.gov/vuln/detail/CVE-2018-14645
RHSA-2018:2882 https://access.redhat.com/errata/RHSA-2018:2882
USN-3780-1 https://usn.ubuntu.com/3780-1/
No exploits are available.
Vector: CVSS:3.0/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-2018-14645.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:3.0/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

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2018-14645
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/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-2018-14645
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
Exploit Prediction Scoring System (EPSS)
Percentile 0.36427
EPSS Score 0.00149
Published At June 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-01T12:13:10.300790+00:00 Ubuntu USN Importer Import https://usn.ubuntu.com/3780-1/ 36.1.3