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CVE PROGRAM SOURCE RECORD5.9 Medium

CVE-2026-26310

Crash for scoped ip address in Envoy during DNS

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

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

envoyproxy envoy

  • >= 1.37.0, < 1.37.1affected
  • >= 1.36.0, < 1.36.5affected
  • >= 1.35.0, < 1.35.9affected
  • < 1.34.13affected

References