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Ubuntu 22.04 LTS : Snowflake vulnerabilities (USN-7966-1)

high Nessus Plugin ID 294783

Synopsis

The remote Ubuntu host is missing one or more security updates.

Description

The remote Ubuntu 22.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-7966-1 advisory.

 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)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected snowflake-client and / or snowflake-proxy packages.

See Also

https://ubuntu.com/security/notices/USN-7966-1

Plugin Details

Severity: High

ID: 294783

File Name: ubuntu_USN-7966-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 1/20/2026

Updated: 1/20/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

CVSS Score Source: CVE-2022-29222

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:snowflake-proxy, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:snowflake-client

Required KB Items: Host/cpu, Host/Debian/dpkg-l, Host/Ubuntu, Host/Ubuntu/release

Exploit Ease: No known exploits are available

Patch Publication Date: 1/19/2026

Vulnerability Publication Date: 5/20/2022

Reference Information

CVE: CVE-2022-29189, CVE-2022-29190, CVE-2022-29222

USN: 7966-1