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CVE-2026-59876

protobufjs

Descripción

protobufjs compiles protobuf definitions into JavaScript (JS) functions. From 8.2.0 until 8.6.5, the protobufjs Text Format extension parsed string-keyed map entries using ordinary property assignment, allowing a map entry with key __proto__ to change the prototype of the returned map object instead of creating an own map entry in protobufjs/ext/textformat. This issue is fixed in version 8.6.5.

CVSS 4.8EPSS 0.219%Riesgo 0.49
Ver fuente
Publicación
2026-07-08 16:16:34
Versiones afectadas
>=8.2.0,<8.6.5
Tipo
Librería
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N