Web Application Vulnerabilities Runtime SCA Findings
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Envoy : Improper Check for Unusual or Exceptional Conditions Vulnerability - CVE-2026-73549 - Vulnerability Database
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Envoy : Improper Check for Unusual or Exceptional Conditions Vulnerability - CVE-2026-73549

Medium
Reference: CVE-2026-73549
NVD Link: https://nvd.nist.gov/vuln/detail/CVE-2026-73549
Title: Envoy : Improper Check for Unusual or Exceptional Conditions Vulnerability
Overview:

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10 1.37.6 1.38.4 and 1.39.1 Envoys Utility::copyInternetAddressAndPort and QUIC client-address paths reconstruct scoped IPv6 addresses through addressAsString and Ipv6Instance. The string includes a percent scope identifier that inet_pton cannot parse causing an exception or abort. Kernel-provided scoped IPv6 destinations in ORIGINAL_DST transparent-proxy deployments and affected QUIC conn