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CVE-2018-14645

26
FAUCET Score

CVE-2018-14645 is an out-of-bounds read vulnerability in the HPACK decoder of HAProxy versions prior to 1.8.14, affecting products from Canonical, HAProxy, and Red Hat. This flaw allows an unauthenticated attacker to remotely crash the service, leading to a denial of service. With a CVSS score of 7.5 (HIGH), it is easily exploitable over the network with low attack complexity and no user interaction required. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.8.14CPE matchmatch criteria
cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*
18.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
3.10CPE matchmatch criteria
cpe:2.3:a:redhat:openshift:3.10:*:*:*:enterprise:*:*:*
3.9CPE matchmatch criteria
cpe:2.3:a:redhat:openshift_container_platform:3.9:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.01%
Probability of exploitation in next 30 days
EPSS Percentile
86.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0301 is in the 75th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (13)

redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUSFixed in: rh-haproxy18-haproxy-0:1.8.4-3.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 3.10Fixed in: haproxy-0:1.8.14-2.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 3.9Fixed in: atomic-openshift-0:3.9.60-1.git.0.f8b38ff.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 3.9Fixed in: atomic-openshift-dockerregistry-0:3.9.60-1.git.353.1da3b27.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 3.9Fixed in: atomic-openshift-web-console-0:3.9.60-1.git.277.be8dbdd.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 3.9Fixed in: golang-github-prometheus-node_exporter-0:3.9.60-1.git.1063.df94c95.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 3.9Fixed in: haproxy-0:1.8.14-2.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 3.9Fixed in: openshift-ansible-0:3.9.60-1.git.0.f0ebfaa.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 3.9Fixed in: rubygem-ffi-0:1.9.25-4.el7_5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-haproxy18-haproxy-0:1.8.4-3.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUSFixed in: rh-haproxy18-haproxy-0:1.8.4-3.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUSFixed in: rh-haproxy18-haproxy-0:1.8.4-3.el7
View patch
redhatworkaround availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2018-14645Important

haproxy: Out-of-bounds read in HPACK decoder

Sep 20, 2018

References

access.redhat.com / errata/RHBA-2019:0028
access.redhat.com / errata/RHSA-2018:2882
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingMitigationThird Party Advisory
usn.ubuntu.com / 3780-1
Third Party Advisory
mail-archive.com / haproxy%40formilux.org/msg31253.html