USN-7966-1: Snowflake vulnerabilities

Publication date

19 January 2026

Overview

Several security issues were fixed in Snowflake.

Releases


Packages

Details

It was discovered that Pion DTLS, vendored in Snowflake, did not impose a limit
on the amount of data that was buffered during the handshake. An attacker could
possibly use the issue to cause a denial of service. (CVE-2022-29189)

It was discovered that Pion DTLS, vendored in Snowflake, did not prevent the
fragmentBuffer from processing zero length fragments. An attacker could
possibly use the issue to cause a denial of service. (CVE-2022-29190)

It was discovered that Pion DTLS, vendored in Snowflake, did not require
CertificateVerify when Client Cert was sent. An attacker could
possibly use the issue to cause a denial of service. (CVE-2022-29222)

It was discovered that Pion DTLS, vendored in Snowflake, did not impose a limit
on the amount of data that was buffered during the handshake. An attacker could
possibly use the issue to cause a denial of service. (CVE-2022-29189)

It was discovered that Pion DTLS, vendored in Snowflake, did not prevent the
fragmentBuffer from processing zero length fragments. An attacker could
possibly use the issue to cause a denial of service. (CVE-2022-29190)

It was discovered that Pion DTLS, vendored in Snowflake, did not require
CertificateVerify when Client Cert was sent. An attacker could
possibly use the issue to cause a denial of service. (CVE-2022-29222)

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
22.04 LTS jammy snowflake-client –  1.1.0-2ubuntu0.1+esm2  
snowflake-proxy –  1.1.0-2ubuntu0.1+esm2  

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