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TI-2015-02902 Aliases CVE-2015-3281GHSA-ffg4-hmhr-qr79

The buffer_slow_realign function in HAProxy 1.5.x before 1.5.14 and 1.6-dev does not…

Priority LOW 30CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Partial · None · None
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.

Summary

The buffer_slow_realign function in HAProxy 1.5.x before 1.5.14 and 1.6-dev does not properly realign a buffer that is used for pending outgoing data, which allows remote attackers to obtain sensitive information (uninitialized memory contents of previous requests) via a crafted request.

Why it matters now

EPSS 0.04326 91st 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
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 56

CPEVersionsRoleVendor
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
cpe:2.3:a:haproxy:haproxy:1.5:dev:*:*:*:*:*:*1.5 devVulnerableHAProxy
cpe:2.3:a:haproxy:haproxy:1.5:dev0:*:*:*:*:*:*1.5 dev0VulnerableHAProxy
cpe:2.3:a:haproxy:haproxy:1.5:dev1:*:*:*:*:*:*1.5 dev1VulnerableHAProxy
cpe:2.3:a:haproxy:haproxy:1.5:dev10:*:*:*:*:*:*1.5 dev10VulnerableHAProxy
cpe:2.3:a:haproxy:haproxy:1.5:dev11:*:*:*:*:*:*1.5 dev11VulnerableHAProxy
cpe:2.3:a:haproxy:haproxy:1.5:dev12:*:*:*:*:*:*1.5 dev12VulnerableHAProxy
cpe:2.3:a:haproxy:haproxy:1.5:dev13:*:*:*:*:*:*1.5 dev13VulnerableHAProxy
cpe:2.3:a:haproxy:haproxy:1.5:dev14:*:*:*:*:*:*1.5 dev14VulnerableHAProxy
cpe:2.3:a:haproxy:haproxy:1.5:dev15:*:*:*:*:*:*1.5 dev15VulnerableHAProxy
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
  • cpe:2.3:a:haproxy:haproxy:1.5:dev:*:*:*:*:*:* Versions 1.5 dev Vulnerable ·HAProxy
  • cpe:2.3:a:haproxy:haproxy:1.5:dev0:*:*:*:*:*:* Versions 1.5 dev0 Vulnerable ·HAProxy
  • cpe:2.3:a:haproxy:haproxy:1.5:dev1:*:*:*:*:*:* Versions 1.5 dev1 Vulnerable ·HAProxy
  • cpe:2.3:a:haproxy:haproxy:1.5:dev10:*:*:*:*:*:* Versions 1.5 dev10 Vulnerable ·HAProxy
  • cpe:2.3:a:haproxy:haproxy:1.5:dev11:*:*:*:*:*:* Versions 1.5 dev11 Vulnerable ·HAProxy
  • cpe:2.3:a:haproxy:haproxy:1.5:dev12:*:*:*:*:*:* Versions 1.5 dev12 Vulnerable ·HAProxy
  • cpe:2.3:a:haproxy:haproxy:1.5:dev13:*:*:*:*:*:* Versions 1.5 dev13 Vulnerable ·HAProxy
  • cpe:2.3:a:haproxy:haproxy:1.5:dev14:*:*:*:*:*:* Versions 1.5 dev14 Vulnerable ·HAProxy
  • cpe:2.3:a:haproxy:haproxy:1.5:dev15:*:*:*:*:*:* Versions 1.5 dev15 Vulnerable ·HAProxy
Show 46 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:haproxy:haproxy:1.5:dev16:*:*:*:*:*:*1.5 dev16VulnerableHAProxy
cpe:2.3:a:haproxy:haproxy:1.5:dev17:*:*:*:*:*:*1.5 dev17VulnerableHAProxy
cpe:2.3:a:haproxy:haproxy:1.5:dev18:*:*:*:*:*:*1.5 dev18VulnerableHAProxy
cpe:2.3:a:haproxy:haproxy:1.5:dev19:*:*:*:*:*:*1.5 dev19VulnerableHAProxy
cpe:2.3:a:haproxy:haproxy:1.5:dev2:*:*:*:*:*:*1.5 dev2VulnerableHAProxy
cpe:2.3:a:haproxy:haproxy:1.5:dev3:*:*:*:*:*:*1.5 dev3VulnerableHAProxy
cpe:2.3:a:haproxy:haproxy:1.5:dev4:*:*:*:*:*:*1.5 dev4VulnerableHAProxy
cpe:2.3:a:haproxy:haproxy:1.5:dev5:*:*:*:*:*:*1.5 dev5VulnerableHAProxy
cpe:2.3:a:haproxy:haproxy:1.5:dev6:*:*:*:*:*:*1.5 dev6VulnerableHAProxy
cpe:2.3:a:haproxy:haproxy:1.5:dev7:*:*:*:*:*:*1.5 dev7VulnerableHAProxy
cpe:2.3:a:haproxy:haproxy:1.5:dev8:*:*:*:*:*:*1.5 dev8VulnerableHAProxy
cpe:2.3:a:haproxy:haproxy:1.5:dev9:*:*:*:*:*:*1.5 dev9VulnerableHAProxy
cpe:2.3:a:haproxy:haproxy:1.5.0:*:*:*:*:*:*:*1.5.0VulnerableHAProxy
cpe:2.3:a:haproxy:haproxy:1.5.1:*:*:*:*:*:*:*1.5.1VulnerableHAProxy
cpe:2.3:a:haproxy:haproxy:1.5.2:*:*:*:*:*:*:*1.5.2VulnerableHAProxy
cpe:2.3:a:haproxy:haproxy:1.5.3:*:*:*:*:*:*:*1.5.3VulnerableHAProxy
cpe:2.3:a:haproxy:haproxy:1.5.4:*:*:*:*:*:*:*1.5.4VulnerableHAProxy
cpe:2.3:a:haproxy:haproxy:1.5.5:*:*:*:*:*:*:*1.5.5VulnerableHAProxy
cpe:2.3:a:haproxy:haproxy:1.5.6:*:*:*:*:*:*:*1.5.6VulnerableHAProxy
cpe:2.3:a:haproxy:haproxy:1.5.7:*:*:*:*:*:*:*1.5.7VulnerableHAProxy
cpe:2.3:a:haproxy:haproxy:1.5.8:*:*:*:*:*:*:*1.5.8VulnerableHAProxy
cpe:2.3:a:haproxy:haproxy:1.5.9:*:*:*:*:*:*:*1.5.9VulnerableHAProxy
cpe:2.3:a:haproxy:haproxy:1.5.10:*:*:*:*:*:*:*1.5.10VulnerableHAProxy
cpe:2.3:a:haproxy:haproxy:1.5.11:*:*:*:*:*:*:*1.5.11VulnerableHAProxy
cpe:2.3:a:haproxy:haproxy:1.5.12:*:*:*:*:*:*:*1.5.12VulnerableHAProxy
cpe:2.3:a:haproxy:haproxy:1.5.13:*:*:*:*:*:*:*1.5.13VulnerableHAProxy
cpe:2.3:a:haproxy:haproxy:1.6:dev0:*:*:*:*:*:*1.6 dev0VulnerableHAProxy
cpe:2.3:o:canonical:ubuntu_linux:14.10:*:*:*:*:*:*:*14.10VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*15.04VulnerableCanonical
cpe:2.3:o:opensuse:openstack_cloud:5:*:*:*:*:*:*:*5VulnerableopenSUSE
cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*13.2VulnerableopenSUSE
cpe:2.3:o:suse:linux_enterprise_high_availability_extension:12:*:*:*:*:*:*:*12VulnerableSUSE
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:*7.3VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*7.4VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.1:*:*:*:*:*:*:*7.1VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.2:*:*:*:*:*:*:*7.2VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.3:*:*:*:*:*:*:*7.3VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:*7.4VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*7.5VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.3:*:*:*:*:*:*:*7.3VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
  • cpe:2.3:a:haproxy:haproxy:1.5:dev16:*:*:*:*:*:* Versions 1.5 dev16 Vulnerable ·HAProxy
  • cpe:2.3:a:haproxy:haproxy:1.5:dev17:*:*:*:*:*:* Versions 1.5 dev17 Vulnerable ·HAProxy
  • cpe:2.3:a:haproxy:haproxy:1.5:dev18:*:*:*:*:*:* Versions 1.5 dev18 Vulnerable ·HAProxy
  • cpe:2.3:a:haproxy:haproxy:1.5:dev19:*:*:*:*:*:* Versions 1.5 dev19 Vulnerable ·HAProxy
  • cpe:2.3:a:haproxy:haproxy:1.5:dev2:*:*:*:*:*:* Versions 1.5 dev2 Vulnerable ·HAProxy
  • cpe:2.3:a:haproxy:haproxy:1.5:dev3:*:*:*:*:*:* Versions 1.5 dev3 Vulnerable ·HAProxy
  • cpe:2.3:a:haproxy:haproxy:1.5:dev4:*:*:*:*:*:* Versions 1.5 dev4 Vulnerable ·HAProxy
  • cpe:2.3:a:haproxy:haproxy:1.5:dev5:*:*:*:*:*:* Versions 1.5 dev5 Vulnerable ·HAProxy
  • cpe:2.3:a:haproxy:haproxy:1.5:dev6:*:*:*:*:*:* Versions 1.5 dev6 Vulnerable ·HAProxy
  • cpe:2.3:a:haproxy:haproxy:1.5:dev7:*:*:*:*:*:* Versions 1.5 dev7 Vulnerable ·HAProxy
  • cpe:2.3:a:haproxy:haproxy:1.5:dev8:*:*:*:*:*:* Versions 1.5 dev8 Vulnerable ·HAProxy
  • cpe:2.3:a:haproxy:haproxy:1.5:dev9:*:*:*:*:*:* Versions 1.5 dev9 Vulnerable ·HAProxy
  • cpe:2.3:a:haproxy:haproxy:1.5.0:*:*:*:*:*:*:* Versions 1.5.0 Vulnerable ·HAProxy
  • cpe:2.3:a:haproxy:haproxy:1.5.1:*:*:*:*:*:*:* Versions 1.5.1 Vulnerable ·HAProxy
  • cpe:2.3:a:haproxy:haproxy:1.5.2:*:*:*:*:*:*:* Versions 1.5.2 Vulnerable ·HAProxy
  • cpe:2.3:a:haproxy:haproxy:1.5.3:*:*:*:*:*:*:* Versions 1.5.3 Vulnerable ·HAProxy
  • cpe:2.3:a:haproxy:haproxy:1.5.4:*:*:*:*:*:*:* Versions 1.5.4 Vulnerable ·HAProxy
  • cpe:2.3:a:haproxy:haproxy:1.5.5:*:*:*:*:*:*:* Versions 1.5.5 Vulnerable ·HAProxy
  • cpe:2.3:a:haproxy:haproxy:1.5.6:*:*:*:*:*:*:* Versions 1.5.6 Vulnerable ·HAProxy
  • cpe:2.3:a:haproxy:haproxy:1.5.7:*:*:*:*:*:*:* Versions 1.5.7 Vulnerable ·HAProxy
  • cpe:2.3:a:haproxy:haproxy:1.5.8:*:*:*:*:*:*:* Versions 1.5.8 Vulnerable ·HAProxy
  • cpe:2.3:a:haproxy:haproxy:1.5.9:*:*:*:*:*:*:* Versions 1.5.9 Vulnerable ·HAProxy
  • cpe:2.3:a:haproxy:haproxy:1.5.10:*:*:*:*:*:*:* Versions 1.5.10 Vulnerable ·HAProxy
  • cpe:2.3:a:haproxy:haproxy:1.5.11:*:*:*:*:*:*:* Versions 1.5.11 Vulnerable ·HAProxy
  • cpe:2.3:a:haproxy:haproxy:1.5.12:*:*:*:*:*:*:* Versions 1.5.12 Vulnerable ·HAProxy
  • cpe:2.3:a:haproxy:haproxy:1.5.13:*:*:*:*:*:*:* Versions 1.5.13 Vulnerable ·HAProxy
  • cpe:2.3:a:haproxy:haproxy:1.6:dev0:*:*:*:*:*:* Versions 1.6 dev0 Vulnerable ·HAProxy
  • cpe:2.3:o:canonical:ubuntu_linux:14.10:*:*:*:*:*:*:* Versions 14.10 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:* Versions 15.04 Vulnerable ·Canonical
  • cpe:2.3:o:opensuse:openstack_cloud:5:*:*:*:*:*:*:* Versions 5 Vulnerable ·openSUSE
  • cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* Versions 13.2 Vulnerable ·openSUSE
  • cpe:2.3:o:suse:linux_enterprise_high_availability_extension:12:*:*:*:*:*:*:* Versions 12 Vulnerable ·SUSE
  • cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:* Versions 7.3 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:* Versions 7.4 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:7.1:*:*:*:*:*:*:* Versions 7.1 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:7.2:*:*:*:*:*:*:* Versions 7.2 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:7.3:*:*:*:*:*:*:* Versions 7.3 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:* Versions 7.4 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:* Versions 7.5 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_tus:7.3:*:*:*:*:*:*:* Versions 7.3 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat

Remediation

Red Hat 2 advisories

  • RHSA-2015:2666 Released 2015-12-17 · Red Hat rating Important
    Red Hat OpenShift Enterprise 2.2.8 security, bug fix, and enhancement update
    • Red Hat OpenShift Enterprise Client 2.2 rhc-1.38.4.5-1.el6op
    • Red Hat OpenShift Enterprise Infrastructure 2.2 openshift-enterprise-release-2.2.8-1.el6op, openshift-enterprise-upgrade-2.2.8-1.el6op, openshift-enterprise-upgrade-broker-2.2.8-1.el6op +5
    • Red Hat OpenShift Enterprise JBoss EAP add-on 2.2 openshift-origin-cartridge-jbosseap-2.27.3.1-1.el6op
    • Red Hat OpenShift Enterprise Node 2.2 haproxy15side-1.5.4-2.el6op, openshift-enterprise-release-2.2.8-1.el6op, openshift-enterprise-upgrade-2.2.8-1.el6op +8
  • RHSA-2015:1741 Released 2015-09-08 · Red Hat rating Important
    haproxy security update
    • Red Hat Enterprise Linux Load Balancer (v. 6) haproxy-1.5.4-2.el6_7.1
    • Red Hat Enterprise Linux Server (v. 7) haproxy-1.5.4-4.el7_1.1
    • Red Hat Enterprise Linux Workstation (v. 7) haproxy-1.5.4-4.el7_1.1

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux Load Balancer (v. 6)Fixed RHSA-2015:1741
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2015:1741
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2015:1741
Red Hat OpenShift Enterprise Client 2.2Fixed RHSA-2015:2666
Red Hat OpenShift Enterprise Infrastructure 2.2Fixed RHSA-2015:2666
Red Hat OpenShift Enterprise JBoss EAP add-on 2.2Fixed RHSA-2015:2666
Red Hat OpenShift Enterprise Node 2.2Fixed RHSA-2015:2666
Not affected: 1 product
  • Red Hat OpenShift Enterprise 2

Timeline

  1. 2026-10-02 Threatist record created from CVE-2015-3281
  2. 2026-10-03 Alias added: GHSA-ffg4-hmhr-qr79

References

Patch 1

Advisory 6

Other 1

Sources

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