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Critical Go Networking Vulnerabilities Affect Multiple Ubuntu Releases

Critical Go Networking Vulnerabilities Affect Multiple Ubuntu Releases

First seen 1 Apr 2026, 11:30 UTC • •

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ThreatCluster AI
ThreatCluster •April 2, 2026 at 10:33 UTC
  • •Critical vulnerabilities in Go Networking affect Ubuntu 20.04, 18.04, and 16.04 LTS.
  • •Denial of service attacks could result from these vulnerabilities, impacting server stability.
  • •Users must update to the latest package versions to secure their systems.

Recent updates have addressed critical vulnerabilities in Go Networking affecting multiple Ubuntu versions, including 20.04 LTS, 18.04 LTS, and 16.04 LTS. The vulnerabilities, identified as CVE-2022-27664 and CVE-2022-41723, could lead to denial of service attacks, with potential for servers to hang during shutdown or experience excessive CPU usage. The issues were discovered by researchers Bahruz Jabiyev, Tommaso Innocenti, and others. The vulnerabilities primarily impact Ubuntu 22.04 LTS but have implications for older versions as well. Users are advised to update their systems to mitigate these risks. The updates are available through Ubuntu Pro. The vulnerabilities were published in 2022 and 2023, highlighting ongoing security concerns in Go Networking.

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Timeline

2021-05-26
CVE-2021-33194 published
2022-09-06
CVE-2022-27664 published
2023-02-28
CVE-2022-41723 published
2023-08-02
CVE-2023-3978 published
2025-04-16
CVE-2025-22872 published
2026-02-05
CVE-2025-58190 published
2026-02-05
CVE-2025-47911 published
2026-03-31
USN-8089-2 released to address vulnerabilities
2026-04-01
Linuxsecurity article published detailing vulnerabilities

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