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protobufjs: Denial of service through unbounded Any expansion during JSON conversion

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

cve-program · CVE-2026-48712

Published

protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 7.6.1 and 8.4.1, protobufjs could recurse without a depth limit while converting decoded messages to plain objects or JSON. This affected generated toObject() conversion and the custom google.protobuf.Any JSON conversion path. A crafted protobuf binary payload containing deeply nested Any values could cause the JavaScript call stack to be exhausted during conversion to JSON. This vulnerability is fixed in 7.6.1 and 8.4.1.

Source published
22 Jun 2026 16:21:21 UTC
Source modified
23 Jun 2026 15:54:24 UTC
Observed here
23 Oct 2026 15:48:27 UTC
Source terms
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CVSS 3.1 · 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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Sources read 7 Nov 20:22 UTC · 275 of 275 readable · 274 fully read · documentation 469/469 current