# CVE-2022-29189: snowflake: Pion DTLS is a Go implementation of Datagram Transport Layer Security

CVE-2022-29189 is fixed in 4 products on 1 platform, first by snowflake-client 1.1.0-2ubuntu0.1+esm2, released May 20, 2022. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2022-29189
- Priority: Routine
- CVSS: 5.3 (medium)
- EPSS: 0.0215
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 20, 2022

## Description

Pion DTLS is a Go implementation of Datagram Transport Layer Security. Prior to version 2.1.4, a buffer that was used for inbound network traffic had no upper limit. Pion DTLS would buffer all network traffic from the remote user until the handshake completes or timed out. An attacker could exploit this to cause excessive memory usage. Version 2.1.4 contains a patch for this issue. There are currently no known workarounds available.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | snowflake Debian 12.15 (bookworm) | 2.2.0-1 | [DEBIAN-CVE-2022-29189](https://patchblox.com/security/data/fix/linux/debian-cve-2022-29189.md) | May 21, 2022 |
| Linux | snowflake Debian 13.5 (trixie) | 2.2.0-1 | [DEBIAN-CVE-2022-29189](https://patchblox.com/security/data/fix/linux/debian-cve-2022-29189.md) | May 21, 2022 |
| Linux | snowflake Debian 14 | 2.2.0-1 | [DEBIAN-CVE-2022-29189](https://patchblox.com/security/data/fix/linux/debian-cve-2022-29189.md) | May 21, 2022 |
| Linux | snowflake-client Ubuntu 22.04.1 LTS (jammy) | 1.1.0-2ubuntu0.1+esm2 | [snowflake-client 1.1.0-2ubuntu0.1+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-snowflake-client-1.1.0-2ubuntu0.1-esm2.md) | May 20, 2022 |
| Linux | snowflake-proxy Ubuntu 22.04.1 LTS (jammy) | 1.1.0-2ubuntu0.1+esm2 | [snowflake-proxy 1.1.0-2ubuntu0.1+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-snowflake-proxy-1.1.0-2ubuntu0.1-esm2.md) | May 20, 2022 |
| Linux | telegraf Ubuntu 22.04.1 LTS (jammy) | 1.21.4+ds1-0ubuntu2+esm2 | [telegraf 1.21.4+ds1-0ubuntu2+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-telegraf-1.21.4-ds1-0ubuntu2-esm2.md) | May 20, 2022 |

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Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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