USN-7966-2: Telegraf vulnerabilities
Publication date
19 January 2026
Overview
Several security issues were fixed in Telegraf
Releases
Packages
- telegraf - Agent for collecting, processing, aggregating, and writing metrics, logs, and other arbitrary data.
Details
USN-7966-1 fixed vulnerabilities in Snowflake. This update provides the
corresponding updates for Telegraf.
Original advisory details:
It was discovered that Pion DTLS, vendored in Telegraf, 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 Telegraf, 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 Telegraf, 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)
USN-7966-1 fixed vulnerabilities in Snowflake. This update provides the
corresponding updates for Telegraf.
Original advisory details:
It was discovered that Pion DTLS, vendored in Telegraf, 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 Telegraf, 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 Telegraf, 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 | telegraf – 1.21.4+ds1-0ubuntu2+esm2 | ||
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