# Panic during unmarshal of Hello Verify Request in github.com/pion/dtls/v2

Source: https://junglewise.ai/threats/panic-during-unmarshal-of-hello-verify-request-in-github-com-pion-dtls-c23b7d58  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2023-02-07  
License: CC BY 4.0 with a link back

Severity: low · CVSS 3.1 · Published 2023-02-07

Panic during unmarshal of Hello Verify Request in github.com/pion/dtls/v2

Technologies: [github.com/pion/dtls (Go)](https://junglewise.ai/threats/technologies/github-com-pion-dtls), [github.com/pion/dtls/v2 (Go)](https://junglewise.ai/threats/technologies/github-com-pion-dtls-v2). 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?** Low severity, with a CVSS score of 3.1, published 7 February 2023.

**Which products and versions are affected?** github.com/pion/dtls (Go) SEMVER:introduced=0,last_affected=1.5.4; github.com/pion/dtls/v2 (Go) SEMVER:introduced=0,fixed=2.2.4.

**Is there a fix for This vulnerability?** Yes. github.com/pion/dtls/v2 (Go): upgrade to 2.2.4 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/pion/dtls (Go) or github.com/pion/dtls/v2 (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/pion/dtls/v2 (Go): upgrade to 2.2.4 or later

  ```sh
  go get github.com/pion/dtls/v2@v2.2.4
  ```


## Affected products

- github.com/pion/dtls (Go) SEMVER:introduced=0,last_affected=1.5.4
- github.com/pion/dtls/v2 (Go) SEMVER:introduced=0,fixed=2.2.4

## Related threats

- [GO-2026-4479 - Usage of random nonce generation with AES GCM ciphers risks leaking the authentication key in github.com/pion/dtls](https://junglewise.ai/threats/cve-2026-26014-pion-dtls-s-usage-of-random-nonce-generation-with-aes-gcm-ciphers)
- [GO-2023-1535 - Panic during unmarshal of Server Hello in github.com/pion/dtls/v2](https://junglewise.ai/threats/go-2023-1535-panic-during-unmarshal-of-server-hello-in-github-com-pion-59d59d2d)
- [GO-2023-1534 - Panic during unmarshal of Hello Verify Request in github.com/pion/dtls/v2](https://junglewise.ai/threats/go-2023-1534-panic-during-unmarshal-of-hello-verify-request-in-github-2da81b22)
- [Panic during unmarshal of Hello Verify Request in github.com/pion/dtls/v2](https://junglewise.ai/threats/panic-during-unmarshal-of-hello-verify-request-in-github-com-pion-dtls-20a8f61b)
- [GO-2022-0460 - Infinite loop in github.com/pion/dtls/v2](https://junglewise.ai/threats/cve-2022-29190-pion-dtls-header-reconstruction-method-can-be-thrown-into-an)