CVE-2026-44289
High
Description
protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 7.5.6 and 8.0.2, protobufjs could recurse without a depth limit while decoding nested protobuf data. This affected both skipping unknown group fields and generated decoding of nested message fields. A crafted protobuf binary payload could cause the JavaScript call stack to be exhausted during decoding. This vulnerability is fixed in 7.5.6 and 8.0.2.
SeverityHigh
CVSS7.5
Exploit probability—
ProductProtobufjs
PublishedMay 13, 2026
First seenMay 13, 2026
Weakness typeCWE-674CWE-674
How to fix
Update
- protobufjs_project protobufjs7.5.6, 8.0.2 or later
- protobufjs7.5.6, 8.0.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| protobufjs_project protobufjs | v < 7.5.6, 8.0.0 ≤ v < 8.0.2 | 7.5.6, 8.0.2 |
| protobufjsnpm | v < 7.5.6, 8.0.0 ≤ v < 8.0.2 | 7.5.6, 8.0.2 |
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