HAProxy version lifecycle

tool · HAProxy Technologies

Current status

supported

Supported version lines, end-of-life status, and latest releases for HAProxy — derived from official vendor sources, not third-party EOL aggregators.

HAProxy is a high-performance TCP/HTTP load balancer and proxy server for distributing traffic across application servers.

Lifecycle/EOL for HAProxy follows the official branch table on haproxy.org (LTS ~5 years for even minors; shorter windows for odd/stable; critical-fixes-only noted as security support).

Security: 12 tracked advisories. Details below — lifecycle and vulnerability status are separate.

Official site →

Version lines

25

Supported

6

EOL lines

19

Latest stable

3.4.0

2026-06-03

Releases tracked

97

At a glance

Latest release

3.4.0

Line 3.4

Recommended support line

3.4

standard support

Status

STANDARD SUPPORT

Newest supported: 3.4

EOL

2031-06-30

EOL lines include 3.1, 2.9, 2.7, 2.5, 2.4 (+14 more).

Recommended line: 3.4LTS (newest supported line with lowest lifecycle risk — not blindly “latest”).

Supported versions

6 currently supported release lines.

Version lineLifecycleLatest releaseReleasedEOLRisk
3.4LTS
standard supportlow
3.4.02026-06-032031-06-30low
3.3
standard supportlow
3.3.02025-11-262027-03-31low
3.2LTS
standard supportlow
3.2.02025-05-282030-06-30low
3.0LTS
standard supportlow
3.0.02024-05-292029-06-30low
2.8
security supportmedium
2.8.02023-05-312028-06-30medium
2.6
security supportmedium
2.6.02022-05-312027-06-30medium

End-of-life versions

Historical and unsupported release lines. Exact EOL dates shown only when published by the vendor.

Version lineLatest releaseLifecycleEOLRisk
3.13.1.0
end of lifehigh
2024-11-26high
2.92.9.0
end of lifehigh
2023-12-05high
2.72.7.0
end of lifehigh
2022-12-01high
2.52.5.0
end of lifehigh
2021-11-23high
2.42.4.0
end of lifehigh
2021-05-14high
2.32.3.0
end of lifehigh
2020-11-05high
2.22.2.0
end of lifehigh
2020-07-07high
2.12.1.0
end of lifehigh
2019-11-25high
2.02.0.0
end of lifehigh
2019-06-16high
1.91.9.0
end of lifehigh
2018-12-19high
1.81.8.0
end of lifehigh
2017-11-26high
1.71.7.0
end of lifehigh
2016-11-25high
1.61.6.0
end of lifehigh
2015-10-13high
1.51.5.0
end of lifehigh
2014-06-19high
1.41.4.6
end of lifehigh
2010-02-26high
1.31.3.23
end of lifehigh
2006-07-03high
1.21.2.14
end of lifehigh
2005-12-17high
1.11.1.27
end of lifehigh
2005-12-17high
1.01.0.2
end of lifehigh
2005-12-17high

Lifecycle overview

Support windows from official lifecycle periods. Empty segments mean no dated period for that phase.

  • 3.4LTSstandard support · EOL 2031-06-30
    standard supportend of life
  • 3.3standard support · EOL 2027-03-31
    standard supportend of life
  • 3.2LTSstandard support · EOL 2030-06-30
    standard supportend of life
  • 3.1end of life · EOL 2024-11-26
    end of life
  • 3.0LTSstandard support · EOL 2029-06-30
    standard supportend of life
  • 2.9end of life · EOL 2023-12-05
    end of life
  • 2.8security support · EOL 2028-06-30
    security supportend of life
  • 2.7end of life · EOL 2022-12-01
    end of life
  • 2.6security support · EOL 2027-06-30
    security supportend of life
  • 2.5end of life · EOL 2021-11-23
    end of life
  • 2.4end of life · EOL 2021-05-14
    end of life
  • 2.3end of life · EOL 2020-11-05
    end of life
  • 2.2end of life · EOL 2020-07-07
    end of life
  • 2.1end of life · EOL 2019-11-25
    end of life
  • 2.0end of life · EOL 2019-06-16
    end of life
  • 1.9end of life · EOL 2018-12-19
    end of life

Showing 16 of 25 lines with lifecycle periods. See the directory below for the full list.

Known vulnerabilities

Recent OSV.dev advisories mapped to this product. CVSS/CWE from NVD and known-exploited status from CISA KEV when available. CompatHub is not the original vulnerability authority.

Known vulnerabilities
12
Known exploited
0
Highest CVSS
  • CVE-2026-26080
    Affected:
    >=3.3,<3.3.3
    Fixed in:
    3.3.3
    Source:
    OSV source · Advisory
  • CVE-2026-26081
    Affected:
    >=3.3,<3.3.3
    Fixed in:
    3.3.3
    Source:
    OSV source · Advisory
  • CVE-2026-55204

    HAProxy - NULL Pointer Dereference in hpack_dht_insert Function

    Affected:
    <=3.4.0
    Source:
    OSV source · Advisory
  • CVE-2026-55203

    HAProxy - Integer Overflow in FCGI Demux Record Length Field

    Affected:
    <=3.4.0
    Source:
    OSV source · Advisory
  • CVE-2026-33555
    Affected:
    >=2.6.0,<3.3.6
    Fixed in:
    3.3.6
    Source:
    OSV source · Advisory
  • CVE-2025-11230

    Denial of service vulnerability in HAProxy mjson library

    Affected:
    >=3.2.0,<3.2.6
    Fixed in:
    3.2.6
    Source:
    OSV source · Advisory
  • CVE-2025-32464
    Affected:
    >=2.2,<3.1.6
    Fixed in:
    3.1.6
    Source:
    OSV source · Advisory
  • CVE-2024-49214
    Affected:
    >=2.9.x,<2.9.11
    Fixed in:
    2.9.11
    Source:
    OSV source · Advisory
  • CVE-2024-45506
    Affected:
    >=3.1-dev5,<3.0.4
    Fixed in:
    3.0.4
    Source:
    OSV source · Advisory
  • CVE-2023-45539
    Affected:
    <2.8.2
    Fixed in:
    2.8.2
    Source:
    OSV source · Advisory
  • CVE-2023-40225
    Affected:
    >=2.8.0,<2.8.2
    Fixed in:
    2.8.2
    Source:
    OSV source · Advisory
  • CVE-2023-25950
    Affected:
    >=2.7.0,<=2.7.0
    Source:
    OSV source · Advisory

Compare versions

Side-by-side view of the most relevant release lines.

3.4LTS3.33.2LTS3.0LTS
Statusstandard supportstandard supportstandard supportstandard support
Latest3.4.03.3.03.2.03.0.0
Released2026-06-032025-11-262025-05-282024-05-29
EOL2031-06-302027-03-312030-06-302029-06-30
Risklowlowlowlow

Recent releases

Latest release date 2026-06-03 · 0 in last 30 days · 0 in last 90 days

Should I upgrade?

Current versions are supported

The preferred supported release line is HAProxy 3.4 (standard support).

Open upgrade planner →

Upgrade planning

Plan upgrades from HAProxy version lines that have newer supported options.

Data coverage

Lifecycle/EOL for HAProxy follows the official branch table on haproxy.org (LTS ~5 years for even minors; shorter windows for odd/stable; critical-fixes-only noted as security support).

Version lines
25
Concrete releases
97
Supported lines
6
EOL lines
19
Lifecycle coverage
25/25
EOL coverage
25/25
Provenance coverage
25/25

Data freshness

Last checked = last successful upstream check. Latest source update = when upstream content last changed.

Data last checked
2026-09-02
Latest source update
2026-09-02

Sources

First-party and other registered sources contributing release and lifecycle facts.

Version line directory

Complete navigation into detailed version-line pages.

Currently supported

Version lineStatusLatest releaseReleasedEOL
3.4LTS
standard supportlow
3.4.02026-06-032031-06-30
3.3
standard supportlow
3.3.02025-11-262027-03-31
3.2LTS
standard supportlow
3.2.02025-05-282030-06-30
3.0LTS
standard supportlow
3.0.02024-05-292029-06-30
2.8
security supportmedium
2.8.02023-05-312028-06-30
2.6
security supportmedium
2.6.02022-05-312027-06-30

End of life

Version lineStatusLatest releaseReleasedEOL
3.1
end of lifehigh
3.1.02024-11-262024-11-26
2.9
end of lifehigh
2.9.02023-12-052023-12-05
2.7
end of lifehigh
2.7.02022-12-012022-12-01
2.5
end of lifehigh
2.5.02021-11-232021-11-23
2.4
end of lifehigh
2.4.02021-05-142021-05-14
2.3
end of lifehigh
2.3.02020-11-052020-11-05
2.2
end of lifehigh
2.2.02020-07-072020-07-07
2.1
end of lifehigh
2.1.02019-11-252019-11-25
2.0
end of lifehigh
2.0.02019-06-162019-06-16
1.9
end of lifehigh
1.9.02018-12-192018-12-19
1.8
end of lifehigh
1.8.02017-11-262017-11-26
1.7
end of lifehigh
1.7.02016-11-252016-11-25
1.6
end of lifehigh
1.6.02015-10-132015-10-13
1.5
end of lifehigh
1.5.02014-06-192014-06-19
1.4
end of lifehigh
1.4.62010-05-162010-02-26
1.3
end of lifehigh
1.3.232010-01-282006-07-03
1.2
end of lifehigh
1.2.142006-05-212005-12-17
1.1
end of lifehigh
1.1.272005-12-172005-12-17
1.0
end of lifehigh
1.0.22005-12-172005-12-17