# GO-2024-2471 - Chain halt panic in github.com/cometbft/cometbft

Source: https://junglewise.ai/threats/go-2024-2471-chain-halt-panic-in-github-com-cometbft-cometbft-739414b4  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2024-01-23  
License: CC BY 4.0 with a link back

Severity: info · Published 2024-01-23

Chain halt panic in github.com/cometbft/cometbft

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 This vulnerability exploited in the wild?** No. Junglewise Threat Intelligence has no report of This vulnerability being exploited in the wild.

**How severe is This vulnerability?** Informational severity, published 23 January 2024.

**Which products and versions are affected?** github.com/cometbft/cometbft (Go) SEMVER:introduced=0.38.0,fixed=0.38.3.

**Is there a fix for This vulnerability?** Yes. github.com/cometbft/cometbft (Go): upgrade to 0.38.3 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected?** 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 0.38.3 or later

  ```sh
  go get github.com/cometbft/cometbft@v0.38.3
  ```


## Affected products

- github.com/cometbft/cometbft (Go) SEMVER:introduced=0.38.0,fixed=0.38.3

## Related threats

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- [CometBFT has inconsistencies between how commit signatures are verified and how block time is derived](https://junglewise.ai/threats/cometbft-has-inconsistencies-between-how-commit-signatures-are-verified-17e99f94)
- [GO-2025-4025 - CometBFT's invalid BitArray handling can lead to network halt in github.com/cometbft/cometbft](https://junglewise.ai/threats/go-2025-4025-cometbft-s-invalid-bitarray-handling-can-lead-to-network-6ea1281e)
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- [GO-2025-3443 - CometBFT allows a malicious peer to stall network by disseminating valid-looking block parts in…](https://junglewise.ai/threats/go-2025-3443-cometbft-allows-a-malicious-peer-to-stall-network-by-84bcffee)
