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Is Envoy 1.3.0 patched?

Envoy Proxy · cycle 1.3 · end of life · Official site ↗
1.3.040/100End of life

Current stable (1.39.4): 100/100

Minimum safe version1.36.10

1.3.0 has 13 open critical-or-high vulnerabilities. Run 1.36.10 or later to clear them. See what 1.36.10 fixes →

Health score40/100
Open issues24
Exploited now0
Cycle 1.3 EOL2017-08-24
Latest release1.39.4

Summary iPlain-English security status for Envoy 1.3.0, built from its CVEs, active-exploitation data, end-of-life date and latest release.

Envoy 1.3.0 is part of the 1.3 release line. 24 known vulnerabilities affect it. The minimum safe version is 1.36.10 — upgrade to it or later to clear the open critical/high issues. The 1.3 line reached end-of-life on 2017-08-24, so it no longer receives security patches. The latest supported Envoy release is 1.39.4.

Known issues affecting 1.3.0

Exploited first, then by exploitation probability.

CVE-2020-8659 HIGH EPSS 2% → see advisory CVE-2020-8661 HIGH EPSS 2% → see advisory CVE-2020-8664 MEDIUM EPSS 1% → see advisory CVE-2023-35945 HIGH EPSS 1% → fixed in 1.26.3 CVE-2026-73512 HIGH EPSS 1% → fixed in 1.39.1 CVE-2026-73547 HIGH EPSS 1% → fixed in 1.39.1 CVE-2026-47774 HIGH EPSS 1% → fixed in 1.37.3 CVE-2026-48521 MEDIUM EPSS 1% → fixed in 1.39.1 CVE-2026-50572 MEDIUM EPSS 1% → fixed in 1.39.1 CVE-2026-73552 HIGH EPSS 1% → fixed in 1.39.1 CVE-2026-73549 MEDIUM EPSS 1% → fixed in 1.39.1 CVE-2026-73546 HIGH EPSS 1% → fixed in 1.39.1 CVE-2026-73550 HIGH EPSS 1% → fixed in 1.39.1 CVE-2026-73511 MEDIUM EPSS 1% → fixed in 1.39.1 CVE-2026-73551 MEDIUM EPSS 1% → fixed in 1.39.1 CVE-2025-64527 MEDIUM EPSS 1% → fixed in 1.36.3 CVE-2026-73553 HIGH EPSS 1% → fixed in 1.39.1 CVE-2026-73548 HIGH EPSS 0% → fixed in 1.39.1 CVE-2026-73513 HIGH EPSS 0% → fixed in 1.39.1 CVE-2025-62409 HIGH EPSS 0% → fixed in 1.35.5

Other Envoy versions

Check another release line of Envoy.

Envoy 1.39.4Envoy 1.38.7Envoy 1.37.9Envoy 1.36.13Envoy 1.35.13Envoy 1.34.14Envoy 1.33.14Envoy 1.32.13Envoy 1.31.10Envoy 1.30.11Envoy 1.29.12Envoy 1.28.7Envoy 1.27.7Envoy 1.26.8Envoy 1.25.11Envoy 1.24.12Envoy 1.23.12Envoy 1.22.11Envoy 1.21.6Envoy 1.20.7Envoy 1.19.5Envoy 1.18.6Envoy 1.17.4Envoy 1.16.5Envoy 1.15.5Envoy 1.14.7Envoy 1.13.8Envoy 1.12.7Envoy 1.11.2Envoy 1.10.0Envoy 1.9.1Envoy 1.8.0Envoy 1.7.1Envoy 1.6.0Envoy 1.5.0Envoy 1.4.0Envoy 1.2.0Envoy 1.1.0Envoy 1.0.0

Frequently asked

Is Envoy 1.3.0 patched?

Envoy 1.3.0 is end-of-life and no longer receives security patches. Move to 1.39.4.

What version should I upgrade Envoy 1.3.0 to?

Upgrade Envoy 1.3.0 to at least 1.36.10 to clear its 13 open critical-or-high vulnerabilities.

When does Envoy 1.3 reach end-of-life?

Envoy 1.3 reached end-of-life on 2017-08-24 and no longer receives security patches.

What is the latest version of Envoy?

The latest supported Envoy release is 1.39.4.

Is Envoy 1.3.0 still receiving security updates?

No — Envoy 1.3.0 is on the 1.3 line, which reached end-of-life on 2017-08-24 and no longer receives security updates. Upgrade to 1.39.4 or later to stay supported.

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