# CVE-2023-34450: GO-2023-1882 - Deadlock in github.com/cometbft/cometbft/consensus

Source: https://junglewise.ai/threats/cve-2023-34450-cometbft-peerstate-json-serialization-deadlock  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2023-07-06  
License: CC BY 4.0 with a link back

CVE-2023-34450 · Severity: low · CVSS 3.1 · Published 2023-07-06

Deadlock in github.com/cometbft/cometbft/consensus

Technologies: [github.com/cometbft/cometbft (Go)](https://junglewise.ai/threats/technologies/github-com-cometbft-cometbft). Vendors: [Go](https://junglewise.ai/threats/vendors/go).

## Quick answers

**Is CVE-2023-34450 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2023-34450 being exploited in the wild.

**How severe is CVE-2023-34450?** Low severity, with a CVSS score of 3.1, published 6 July 2023.

**Which products and versions are affected?** github.com/cometbft/cometbft (Go) SEMVER:introduced=0.34.28,fixed=0.34.29, SEMVER:introduced=0.37.1,fixed=0.37.2.

**Is there a fix for CVE-2023-34450?** Yes. github.com/cometbft/cometbft (Go): upgrade to 0.34.29, 0.37.2 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2023-34450?** Check whether you run github.com/cometbft/cometbft (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- github.com/cometbft/cometbft (Go): upgrade to 0.34.29, 0.37.2 or later

  ```sh
  go get github.com/cometbft/cometbft@v0.37.2
  ```


## Affected products

- github.com/cometbft/cometbft (Go) SEMVER:introduced=0.34.28,fixed=0.34.29, SEMVER:introduced=0.37.1,fixed=0.37.2

## Identifiers

- CVE-2023-34450
- GHSA-mvj3-qrqh-cjvr
- GO-2023-1882

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