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TI-2018-10508 Aliases CVE-2018-14645GHSA-gr9c-vx25-2fh5

Out-of-bounds read in [UNKNOWN] haproxy

Priority LOW 38CWE-125Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.0 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-125 and the CVSS impact.

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.

Why it matters now

EPSS 0.03067 87th percentileScored 2026-11-07
Fix Fixed Red Hat: 2 advisories

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
[UNKNOWN]haproxy1.8.14—No fix listedCNA
  • haproxy Vendor[UNKNOWN] Affected 1.8.14 Fixed in — No fix listed CNA

CPE configurations NVD · 9

CPEVersionsRoleVendor
cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*up to 1.8.14VulnerableHAProxy
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*18.04VulnerableCanonical
cpe:2.3:a:redhat:openshift:3.10:*:*:*:enterprise:*:*:*3.10VulnerableRed Hat
cpe:2.3:a:redhat:openshift_container_platform:3.9:*:*:*:*:*:*:*3.9VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:7.3:*:*:*:*:*:*:*7.3VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:7.4:*:*:*:*:*:*:*7.4VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:7.5:*:*:*:*:*:*:*7.5VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
  • cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:* Versions up to 1.8.14 Vulnerable ·HAProxy
  • cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* Versions 18.04 Vulnerable ·Canonical
  • cpe:2.3:a:redhat:openshift:3.10:*:*:*:enterprise:*:*:* Versions 3.10 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:openshift_container_platform:3.9:*:*:*:*:*:*:* Versions 3.9 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:7.3:*:*:*:*:*:*:* Versions 7.3 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:7.4:*:*:*:*:*:*:* Versions 7.4 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:7.5:*:*:*:*:*:*:* Versions 7.5 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat

Remediation

Red Hat 2 advisories

  • RHSA-2018:2709 Released 2018-11-11 · Red Hat rating Important
    Red Hat OpenShift Container Platform 3.10 security and bug fix update
    • Red Hat OpenShift Container Platform 3.10 atomic-openshift-3.10.66-1.git.0.91d1e89.el7, atomic-openshift-clients-3.10.66-1.git.0.91d1e89.el7, atomic-openshift-clients-redistributable-3.10.66-1.git.0.91d1e89.el7 +12
  • RHSA-2018:2882 Released 2018-10-08 · Red Hat rating Important
    rh-haproxy18-haproxy security update
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-haproxy18-haproxy-1.8.4-3.el7, rh-haproxy18-haproxy-syspaths-1.8.4-3.el7
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.3) rh-haproxy18-haproxy-1.8.4-3.el7, rh-haproxy18-haproxy-syspaths-1.8.4-3.el7
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4) rh-haproxy18-haproxy-1.8.4-3.el7, rh-haproxy18-haproxy-syspaths-1.8.4-3.el7
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5) rh-haproxy18-haproxy-1.8.4-3.el7, rh-haproxy18-haproxy-syspaths-1.8.4-3.el7
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-haproxy18-haproxy-1.8.4-3.el7, rh-haproxy18-haproxy-syspaths-1.8.4-3.el7

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat OpenShift Container Platform 3.10Fixed RHSA-2018:2709
Red Hat OpenShift Container Platform 3.9Fixed—
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2018:2882
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.3)Fixed RHSA-2018:2882
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4)Fixed RHSA-2018:2882
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5)Fixed RHSA-2018:2882
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2018:2882
Not affected: 6 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat OpenShift Container Platform 3.10
  • Red Hat OpenShift Container Platform 3.11
  • Red Hat OpenShift Container Platform 3.7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-14645
  2. 2026-10-03 Alias added: GHSA-gr9c-vx25-2fh5

References

Advisory 4

Other 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences