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HAProxy 1.2 lifecycle

Current status

end of lifehigh

HAProxy 1.2 reached end of life on 17 Dec 2005. Security and bug fixes are no longer provided by the project according to published lifecycle data.

This line is end of life.

Plan your upgrade →

Security: 4 tracked advisories affecting this line. Details below — lifecycle and vulnerability status are separate.

Official lifecycle source: HAProxy Homepage Branch Table

Support phase
end of life
End of life
17 Dec 2005
Latest release
1.2.14
Released
21 May 2006

At a glance

Version line
1.2
Initial release
17 Dec 2005
Lifecycle phase
end of life
Latest stable
1.2.14
Latest release date
21 May 2006
EOL
17 Dec 2005
Risk
high
Releases tracked
15

Lifecycle timeline

Phases from published LifecyclePeriod records. Missing phases are not inferred.

  1. Release

    17 Dec 2005

  2. end of lifecurrent

    17 Dec 2005 → —

    Source: HAProxy Homepage Branch Table

HAProxy 1.2 reached end of life on 17 Dec 2005. Security and bug fixes are no longer provided by the project according to published lifecycle data.

Upgrade options

Newer supported HAProxy version lines from CompatHub lifecycle data. Compatibility and security context use existing evidence only.

You are on HAProxy 1.2

End of lifeEOL 17 December 2005

Supported upgrade options

Open full upgrade planner for HAProxy 1.2 →

Security

Advisories affecting HAProxy 1.2 (OSV.dev evidence). Known exploited status, due dates, and ransomware use from CISA KEV when matched.

Known vulnerabilities
4
Known exploited
0
Highest CVSS
—
  • 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-2023-45539
    Affected:
    <2.8.2
    Fixed in:
    2.8.2
    Source:
    OSV source · Advisory
  • CVE-2019-18277
    Affected:
    <2.0.6
    Fixed in:
    2.0.6
    Source:
    OSV source

Latest release

1.2.14

Released 21 May 2006 · stable

https://github.com/haproxy/haproxy/releases/tag/v1.2.14

Previous releases

  • 1.2.13

    13 May 2006

  • 1.2.12

    15 Apr 2006

  • 1.2.11

    25 Mar 2006

Release history

15 concrete releases tracked for this line.

VersionRelease dateChannelSource
1.2.1421 May 2006stableSource
1.2.1313 May 2006stableSource
1.2.1215 Apr 2006stableSource
1.2.1125 Mar 2006stableSource
1.2.1019 Mar 2006stableSource
1.2.915 Mar 2006stableSource
1.2.829 Jan 2006stableSource
1.2.718 Dec 2005stableSource
1.2.618 Dec 2005stableSource
1.2.518 Dec 2005stableSource
1.2.418 Dec 2005stableSource
1.2.318 Dec 2005stableSource
1.2.218 Dec 2005stableSource
1.2.117 Dec 2005stableSource
1.2.017 Dec 2005stableSource

Release activity

Total releases
15
Last 30 days
0
Last 90 days
0
Avg. interval
~11 days
Most recent
21 May 2006

Should I use this version?

Not recommended for new deployments

Upgrade to a currently supported release line. Recommended target: HAProxy 3.4.

Version comparison

Compact comparison against the nearest relevant release lines.

1.23.4
Statusend of lifestandard support
Latest release1.2.143.4.0
EOLDec 2005Jun 2031
Riskhighlow

Sources

Where this information comes from.

Lifecycle sources

Release sources

Data coverage

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

Releases tracked
15
Lifecycle periods
1
EOL
Known
Provenance records
2
Data last checked
2 Sept 2026
Latest source update
2 Sept 2026

Other HAProxy versions