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CVE-2018-10184

27
FAUCET Score

CVE-2018-10184 is a heap overflow vulnerability in HAProxy versions prior to 1.8.8, affecting HAProxy and Red Hat Enterprise Linux. The flaw arises from incorrect frame length validation in incoming HTTP/2 traffic, potentially allowing a remote attacker to cause a denial-of-service by overflowing a temporary buffer. Rated 7.5 High (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H), this vulnerability is easily exploitable over the network with low complexity, leading to certain application crashes. While code execution is highly unlikely, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.8.8CPE matchmatch criteria
cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
7.3CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:7.3:*:*:*:*:*:*:*
7.4CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:7.4:*:*:*:*:*:*:*
7.5CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:7.5:*:*:*:*:*:*:*

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
8.43%
Probability of exploitation in next 30 days
EPSS Percentile
94.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0843 is in the 91st percentile among its peer group of 51,506 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 (5)

redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 3.9Fixed in: haproxy-0:1.8.8-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-haproxy18-haproxy-0:1.8.4-2.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUSFixed in: rh-haproxy18-haproxy-0:1.8.4-2.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUSFixed in: rh-haproxy18-haproxy-0:1.8.4-2.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUSFixed in: rh-haproxy18-haproxy-0:1.8.4-2.el7
View patch

Vendor Advisories (1)

redhatCVE-2018-10184Important

haproxy: Heap buffer overflow in mux_h2.c:h2_process_demux() can allow attackers to cause a denial of service

Apr 19, 2018

References

git.haproxy.org
git.haproxy.org
access.redhat.com / errata/RHSA-2018:1372
Third Party Advisory