Risk Scores
CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu | Go Networking |
Timeline
- Apr 1, 2026 CVE Published
- Apr 1, 2026 Distribution Patch
=========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2026.3164 USN-8089-2: Go Networking vulnerabilities 1 April 2026 =========================================================================== AUSCERT Security Bulletin Summary --------------------------------- Product: Go Networking Publisher: Ubuntu Operating System: Ubuntu Resolution: Patch/Upgrade CVE Names: CVE-2021-33194 CVE-2025-22872 CVE-2023-3978 CVE-2022-27664 CVE-2025-47911 CVE-2025-58190 CVE-2022-41723 Original Bulletin: https://ubuntu.com/security/notices/USN-8089-2 Comment: CVSS (Max): 7.5 CVE-2022-41723 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) CVSS Source: Ubuntu Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H EPSS (Max): 0.3% (50th) CVE-2022-41723 2026-03-31 - --------------------------BEGIN INCLUDED TEXT-------------------- USN-8089-2: Go Networking vulnerabilities Publication date 31 March 2026 Overview Several security issues were fixed in Go Networking Releases 20.04 LTS 18.04 LTS 16.04 LTS --------------------------------------------------------------------------------- Open side navigation Packages o golang-golang-x-net-dev - Supplementary Go networking development files Details USN-8089-1 fixed vulnerabilities in Go Networking. This update provides the corresponding update to code vendored in golang-golang-x-net-dev. Original advisory details: Bahruz Jabiyev, Tommaso Innocenti, Anthony Gavazzi, Steven Sprecher, and Kaan Onarlioglu discovered that servers using Go Networking could hang during shutdown if preempted by a fatal error. An attacker could possibly use this to cause a denial of service. This issue only affected Ubuntu 22.04 LTS. ( CVE-2022-27664 ) Arpad Ryszka and Jakob Ackermann discovered that a maliciously crafted stream could cause excessive CPU usage in Go Networking's HPACK decoder. An attacker could possibly use this to cause a denial of service. This issue only affected Ubuntu 22.04 LTS. ( CVE-2022-41723 ) Mohammad Thoriq Aziz discovered that Go Networking did not properly sanitize some text nodes. An attacker could possibly use this to execute arbitrary code. This issue only affected Ubuntu 22.04 LTS. ( CVE-2023-3978 ) Sean Ng discovered an error in Go Networking's HTML tag handling. An attacker could possibly use this to cause a denial of service. ( CVE-2025-22872 ) Guido Vranken and Jakub Ciolek discovered that a maliciously crafted HTML document could exhaust system resources on servers using Go Networking. An attacker could possibly use this to cause a denial of service. ( CVE-2025-47911 ) Guido Vranken discovered that a maliciously crafted HTML document could put servers using Go Networking into an infinite loop. An attacker could possibly use this to cause a denial of service. ( CVE-2025-58190 ) --------------------------------------------------------------------------------- Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu Package Version Release golang-go.net-dev - 1:0.0+git20190811.74dc4d7+dfsg-1ubuntu0.1~esm2 20.04 Ubuntu Pro Fix available with Ubuntu Pro via ESM Apps. A community fix LTS might become publicly available in the future. focal golang-golang-x-net-dev - 1:0.0+git20190811.74dc4d7+dfsg-1ubuntu0.1~esm2 Ubuntu Pro Fix available with Ubuntu Pro via ESM Apps. A community fix might become publicly available in the future. golang-go.net-dev - 1:0.0+git20170629.c81e7f2+dfsg-2ubuntu0.1~esm2 18.04 Ubuntu Pro Fix available with Ubuntu Pro via ESM Apps. A community fix LTS might become publicly available in the future. bionic golang-golang-x-net-dev - 1:0.0+git20170629.c81e7f2+dfsg-2ubuntu0.1~esm2 Ubuntu Pro Fix available with Ubuntu Pro via ESM Apps. A community fix might become publicly available in the future. 16.04 golang-go.net-dev - 1:0.0+git20160110.4fd4a9f-1ubuntu0.1~esm2 Ubuntu Pro LTS Fix available with Ubuntu Pro . xenial golang-golang-x-net-dev - 1:0.0+git20160110.4fd4a9f-1ubuntu0.1~esm2 Ubuntu Pro Fix available with Ubuntu Pro . --------------------------------------------------------------------------------- References o CVE-2025-58190 o CVE-2025-47911 o CVE-2025-22872 o CVE-2023-3978 o CVE-2022-41723 o CVE-2022-27664 o CVE-2021-33194 Related notices o USN-8089-1 o USN-7111-1 o USN-7109-1 o USN-6038-1 o USN-6038-2 - --------------------------END INCLUDED TEXT---------------------- You have received this e-mail bulletin as a result of your organisation's registration with AUSCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AUSCERT's members. As AUSCERT did not write the document quoted above, AUSCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AUSCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://portal.auscert.org.au/bulletins/ =========================================================================== AUSCERT The University of Queensland, Brisbane QLD 4072 Australia e: auscert@auscert.org.au t: +61 (0)7 3365 4417 Allies in Cyber Security ===========================================================================
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu | Go Networking |