{"id":"CVE-2024-34363","title":"Envoy can crash due to uncaught nlohmann JSON exception","summary":"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…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cvssSource":"cna","cwe":["CWE-248"],"vendor":"envoyproxy","product":"envoy","affected":["envoy >= 1.30.0, <= 1.30.1","envoy >= 1.29.0, <= 1.29.4","envoy >= 1.28.0, <= 1.28.3"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2024-06-21T17:23:29.795163Z"},"published":"2024-06-04","updated":"2026-11-05","sourceUpdated":"2026-11-05T15:57:40.846Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2024-34363","references":[{"url":"https://github.com/envoyproxy/envoy/security/advisories/GHSA-g979-ph9j-5gg4","label":"https://github.com/envoyproxy/envoy/security/advisories/GHSA-g979-ph9j-5gg4"}],"tags":["cve.org"],"epss":0.00674,"epssPercentile":0.52269,"ingestedAt":"2026-11-05T21:36:00.936Z","slug":"CVE-2024-34363","body":"## Overview\n\nEnvoy 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.\n\n## Affected\n\n- `envoy >= 1.30.0, <= 1.30.1`\n- `envoy >= 1.29.0, <= 1.29.4`\n- `envoy >= 1.28.0, <= 1.28.3`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}