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Ubuntu Security Notice USN-7966-1
January 19, 2026

snowflake vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 22.04 LTS

Summary:

Several security issues were fixed in Snowflake.

Software Description:
- snowflake: Cloud-based data platform.

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)

Update instructions:

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

Ubuntu 22.04 LTS
  snowflake-client                1.1.0-2ubuntu0.1+esm2
                                  Available with Ubuntu Pro
  snowflake-proxy                 1.1.0-2ubuntu0.1+esm2
                                  Available with Ubuntu Pro

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

References:
  https://ubuntu.com/security/notices/USN-7966-1
  CVE-2022-29189, CVE-2022-29190, CVE-2022-29222