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5.9 Medium

CVE-2026-26310 Envoy is a high-performance edge/middle/service proxy

Description

Envoy is a high-performance edge/middle/service proxy. Prior to 1.37.1, 1.36.5, 1.35.8, and 1.34.13, calling Utility::getAddressWithPort with a scoped IPv6 addresses causes a crash. This utility is called in the data plane from the original_src filter and the dns filter. This vulnerability is fixed in 1.37.1, 1.36.5, 1.35.8, and 1.34.13.

Affected products and versions

Product Affected versions Fixed in
envoy 1.37 1.37.0 → < 1.37.1 1.37.1
envoy 1.36 1.36.0 → < 1.36.5 1.36.5
envoy 1.35 1.35.0 → < 1.35.9 1.35.9
envoy 1.34 earliest → < 1.34.13 1.34.13

References

Timeline

  1. Published
  2. Last modified

Other CVEs of envoy

The 98 CVEs of envoy →
CVE-2026-73511 Envoy is an open source edge and service proxy designed for cloud-native applications 5.3 Medium CVE-2026-73553 Envoy is an open source edge and service proxy designed for cloud-native applications 7.5 High CVE-2026-73551 Envoy is an open source edge and service proxy designed for cloud-native applications 5.3 Medium CVE-2026-73546 Envoy is an open source edge and service proxy designed for cloud-native applications 7.4 High
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