CVE-2024-34363

HighCVSS 7.5/10Last modified Nov 5, 2026

Description

Envoy is a cloud-native, open source edge and service proxy. Due to how Envoy invoked the nlohmann JSON library, the library could throw an uncaught exception from downstream data if incomplete UTF-8 strings were serialized. The uncaught exception would cause Envoy to crash.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-248

Affected software

Vendor	Product	Versions
envoyproxy	envoy	>= 1.30.0, <= 1.30.1; >= 1.29.0, <= 1.29.4; >= 1.28.0, <= 1.28.3

References

https://github.com/envoyproxy/envoy/security/advisories/GHSA-g979-ph9j-5gg4Exploit, Third Party Advisory
https://github.com/envoyproxy/envoy/security/advisories/GHSA-g979-ph9j-5gg4Exploit, Third Party Advisory

Timeline

Published: Jun 4, 2024
Last modified: Nov 5, 2026
NVD status: Modified

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