HIGHVulnerability
Verified
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NVD HIGH: CVE-2026-48497 — Envoy is an open source edge and service proxy designed for cloud-native applica...

·Source: NIST NVD

Updated:

Executive Summary

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.35.11, 1.36.7, 1.37.3, and 1.38.1, in cases where UDP DNS filter is configured with local resolution containing a name with the length of 255 octets or remote resolution for a name of 255 octets long can complete successfully, a query with such name will result in abnormal process termination. The abn

Analysis

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.35.11, 1.36.7, 1.37.3, and 1.38.1, in cases where UDP DNS filter is configured with local resolution containing a name with the length of 255 octets or remote resolution for a name of 255 octets long can complete successfully, a query with such name will result in abnormal process termination. The abnormal process termination is triggered by an invalid runtime precondition that the query name is strictly less than 255 octets, contradicting DNS specification rfc1035#section-2.3.4 that the name can be 255 or less octets. This vulnerability is fixed in 1.35.11, 1.36.7, 1.37.3, and 1.38.1. CVSS Score: 5.9. Published: 2026-06-26T18:16:59.897.

Indicators of Compromise (1)

CVE (1)
CVE-2026-48497
NVDMITRE CVE
Source Attribution

Originally published by NIST NVD on Jun 26, 2026. Verified by: NIST.

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