Synced 29 Jul 2026 01:07 UTC Account

Is HAProxy 3.3.12 patched?

HAProxy · cycle 3.3 · Official site ↗
3.3.1284/100Good

Current stable (3.4.2): 100/100

Health score84/100
Open issues2
Exploited now0
Cycle 3.3 EOL2027-01-01
Latest release3.4.2

Summary iPlain-English security status for HAProxy 3.3.12, built from its CVEs, active-exploitation data, end-of-life date and latest release.

HAProxy 3.3.12 is part of the 3.3 release line. 2 known vulnerabilities affect it. The 3.3 line is supported until 2027-01-01. The latest supported HAProxy release is 3.4.2.

Known issues affecting 3.3.12

Exploited first, then by exploitation probability.

CVE-2026-55204 HIGH EPSS 0% → see advisory CVE-2026-55203 HIGH EPSS 0% → see advisory

Other HAProxy versions

Check another release line of HAProxy.

HAProxy 3.4.2HAProxy 3.2.21HAProxy 3.1.17HAProxy 3.0.25HAProxy 2.9.15HAProxy 2.8.26HAProxy 2.7.12HAProxy 2.6.31HAProxy 2.5.14HAProxy 2.4.36HAProxy 2.3.21HAProxy 2.2.34HAProxy 2.1.12HAProxy 2.0.35HAProxy 1.9.16HAProxy 1.8.31HAProxy 1.7.14HAProxy 1.6.16HAProxy 1.5.19HAProxy 1.4.27HAProxy 1.3.28HAProxy 1.2.18HAProxy 1.1.34HAProxy 1.0.2

Frequently asked

Is HAProxy 3.3.12 patched?

2 known issues affect HAProxy 3.3.12.

When does HAProxy 3.3 reach end-of-life?

HAProxy 3.3 is supported until 2027-01-01.

What is the latest version of HAProxy?

The latest supported HAProxy release is 3.4.2.

Is HAProxy 3.3.12 still receiving security updates?

Yes — the 3.3 line is still supported until 2027-01-01 and receiving security updates. The latest release is 3.4.2.

Informational only, from public data (NVD · CISA KEV · EPSS · endoflife.date), and can lag or miss vendor-specific fixes. Always confirm against HAProxy's official advisory before you patch or upgrade — HAProxy official site ↗