HAProxy version lifecycle
tool · HAProxy Technologies
Current status
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 line | Lifecycle | Latest release | Released | EOL | Risk |
|---|---|---|---|---|---|
| 3.4LTS | standard supportlow | 3.4.0 | 2026-06-03 | 2031-06-30 | low |
| 3.3 | standard supportlow | 3.3.0 | 2025-11-26 | 2027-03-31 | low |
| 3.2LTS | standard supportlow | 3.2.0 | 2025-05-28 | 2030-06-30 | low |
| 3.0LTS | standard supportlow | 3.0.0 | 2024-05-29 | 2029-06-30 | low |
| 2.8 | security supportmedium | 2.8.0 | 2023-05-31 | 2028-06-30 | medium |
| 2.6 | security supportmedium | 2.6.0 | 2022-05-31 | 2027-06-30 | medium |
End-of-life versions
Historical and unsupported release lines. Exact EOL dates shown only when published by the vendor.
| Version line | Latest release | Lifecycle | EOL | Risk |
|---|---|---|---|---|
| 3.1 | 3.1.0 | end of lifehigh | 2024-11-26 | high |
| 2.9 | 2.9.0 | end of lifehigh | 2023-12-05 | high |
| 2.7 | 2.7.0 | end of lifehigh | 2022-12-01 | high |
| 2.5 | 2.5.0 | end of lifehigh | 2021-11-23 | high |
| 2.4 | 2.4.0 | end of lifehigh | 2021-05-14 | high |
| 2.3 | 2.3.0 | end of lifehigh | 2020-11-05 | high |
| 2.2 | 2.2.0 | end of lifehigh | 2020-07-07 | high |
| 2.1 | 2.1.0 | end of lifehigh | 2019-11-25 | high |
| 2.0 | 2.0.0 | end of lifehigh | 2019-06-16 | high |
| 1.9 | 1.9.0 | end of lifehigh | 2018-12-19 | high |
| 1.8 | 1.8.0 | end of lifehigh | 2017-11-26 | high |
| 1.7 | 1.7.0 | end of lifehigh | 2016-11-25 | high |
| 1.6 | 1.6.0 | end of lifehigh | 2015-10-13 | high |
| 1.5 | 1.5.0 | end of lifehigh | 2014-06-19 | high |
| 1.4 | 1.4.6 | end of lifehigh | 2010-02-26 | high |
| 1.3 | 1.3.23 | end of lifehigh | 2006-07-03 | high |
| 1.2 | 1.2.14 | end of lifehigh | 2005-12-17 | high |
| 1.1 | 1.1.27 | end of lifehigh | 2005-12-17 | high |
| 1.0 | 1.0.2 | end of lifehigh | 2005-12-17 | high |
Lifecycle overview
Support windows from official lifecycle periods. Empty segments mean no dated period for that phase.
- 3.4LTSstandard support · EOL 2031-06-30standard supportend of life
- 3.3standard support · EOL 2027-03-31standard supportend of life
- 3.2LTSstandard support · EOL 2030-06-30standard supportend of life
- 3.1end of life · EOL 2024-11-26end of life
- 3.0LTSstandard support · EOL 2029-06-30standard supportend of life
- 2.9end of life · EOL 2023-12-05end of life
- 2.8security support · EOL 2028-06-30security supportend of life
- 2.7end of life · EOL 2022-12-01end of life
- 2.6security support · EOL 2027-06-30security supportend of life
- 2.5end of life · EOL 2021-11-23end of life
- 2.4end of life · EOL 2021-05-14end of life
- 2.3end of life · EOL 2020-11-05end of life
- 2.2end of life · EOL 2020-07-07end of life
- 2.1end of life · EOL 2019-11-25end of life
- 2.0end of life · EOL 2019-06-16end of life
- 1.9end of life · EOL 2018-12-19end 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.
Recent releases
Latest release date 2026-06-03 · 0 in last 30 days · 0 in last 90 days
- 2026-06-03
- 2025-11-26
- 2025-05-28
- 2024-11-26
- 2024-05-29
- 2023-12-05
- 2023-05-31
- 2022-12-01
- 2022-05-31
- 2021-11-23
Should I upgrade?
Current versions are supported
The preferred supported release line is HAProxy 3.4 (standard support).
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.
- HAProxy Homepage Branch Tablefirst party · high
Official source: https://www.haproxy.org/
Last verified 2026-09-02
- HAProxy GitHub Tagsfirst party
Official source: https://github.com/haproxy/haproxy/tags
Last checked 2026-09-02
- OSV.devfirst party
Official source: https://osv.dev
Last checked 2026-09-02
- NVD (NIST)first party
Official source: https://nvd.nist.gov
Last checked 2026-09-02
- CISA Known Exploited Vulnerabilitiesfirst party
Official source: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
Last checked 2026-09-02
Version line directory
Complete navigation into detailed version-line pages.
Currently supported
| Version line | Status | Latest release | Released | EOL |
|---|---|---|---|---|
| 3.4LTS | standard supportlow | 3.4.0 | 2026-06-03 | 2031-06-30 |
| 3.3 | standard supportlow | 3.3.0 | 2025-11-26 | 2027-03-31 |
| 3.2LTS | standard supportlow | 3.2.0 | 2025-05-28 | 2030-06-30 |
| 3.0LTS | standard supportlow | 3.0.0 | 2024-05-29 | 2029-06-30 |
| 2.8 | security supportmedium | 2.8.0 | 2023-05-31 | 2028-06-30 |
| 2.6 | security supportmedium | 2.6.0 | 2022-05-31 | 2027-06-30 |
End of life
| Version line | Status | Latest release | Released | EOL |
|---|---|---|---|---|
| 3.1 | end of lifehigh | 3.1.0 | 2024-11-26 | 2024-11-26 |
| 2.9 | end of lifehigh | 2.9.0 | 2023-12-05 | 2023-12-05 |
| 2.7 | end of lifehigh | 2.7.0 | 2022-12-01 | 2022-12-01 |
| 2.5 | end of lifehigh | 2.5.0 | 2021-11-23 | 2021-11-23 |
| 2.4 | end of lifehigh | 2.4.0 | 2021-05-14 | 2021-05-14 |
| 2.3 | end of lifehigh | 2.3.0 | 2020-11-05 | 2020-11-05 |
| 2.2 | end of lifehigh | 2.2.0 | 2020-07-07 | 2020-07-07 |
| 2.1 | end of lifehigh | 2.1.0 | 2019-11-25 | 2019-11-25 |
| 2.0 | end of lifehigh | 2.0.0 | 2019-06-16 | 2019-06-16 |
| 1.9 | end of lifehigh | 1.9.0 | 2018-12-19 | 2018-12-19 |
| 1.8 | end of lifehigh | 1.8.0 | 2017-11-26 | 2017-11-26 |
| 1.7 | end of lifehigh | 1.7.0 | 2016-11-25 | 2016-11-25 |
| 1.6 | end of lifehigh | 1.6.0 | 2015-10-13 | 2015-10-13 |
| 1.5 | end of lifehigh | 1.5.0 | 2014-06-19 | 2014-06-19 |
| 1.4 | end of lifehigh | 1.4.6 | 2010-05-16 | 2010-02-26 |
| 1.3 | end of lifehigh | 1.3.23 | 2010-01-28 | 2006-07-03 |
| 1.2 | end of lifehigh | 1.2.14 | 2006-05-21 | 2005-12-17 |
| 1.1 | end of lifehigh | 1.1.27 | 2005-12-17 | 2005-12-17 |
| 1.0 | end of lifehigh | 1.0.2 | 2005-12-17 | 2005-12-17 |
