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[USN-7574-1] Go vulnerabilities

Posted on 19 June 2025
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-7574-1
June 18, 2025

golang-1.22 vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 24.10
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS

Summary:

Several security issues were fixed in Go.

Software Description:
- golang-1.22: Go programming language compiler

Details:

Kyle Seely discovered that the Go net/http module did not properly handle
sensitive headers during repeated redirects. An attacker could possibly
use this issue to obtain sensitive information. (CVE-2024-45336)

Juho Forsén discovered that the Go crypto/x509 module incorrectly handled
IPv6 addresses during URI parsing. An attacker could possibly use this
issue to bypass certificate URI constraints. (CVE-2024-45341)

It was discovered that the Go crypto module did not properly handle
variable time instructions under certain circumstances on 64-bit Power
(ppc64el) systems. An attacker could possibly use this issue to expose
sensitive information. (CVE-2025-22866)

It was discovered that the Go http/httpproxy module did not properly
handle IPv6 zone IDs during hostname matching. An attacker could possibly
use this issue to cause a denial of service. (CVE-2025-22870)

Takeshi Kaneko discovered that the Go net/http module did not properly
strip sensitive proxy headers during redirect requests. An attacker could
possibly use this issue to obtain sensitive information. (CVE-2025-4673)

Update instructions:

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

Ubuntu 24.10
golang-1.22 1.22.8-1ubuntu0.1
golang-1.22-go 1.22.8-1ubuntu0.1
golang-1.22-src 1.22.8-1ubuntu0.1

Ubuntu 24.04 LTS
golang-1.22 1.22.2-2ubuntu0.4
golang-1.22-go 1.22.2-2ubuntu0.4
golang-1.22-src 1.22.2-2ubuntu0.4

Ubuntu 22.04 LTS
golang-1.22 1.22.2-2~22.04.3
golang-1.22-go 1.22.2-2~22.04.3
golang-1.22-src 1.22.2-2~22.04.3

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

References:
https://ubuntu.com/security/notices/USN-7574-1
CVE-2024-45336, CVE-2024-45341, CVE-2025-22866, CVE-2025-22870,
CVE-2025-4673

Package Information:
https://launchpad.net/ubuntu/+source/golang-1.22/1.22.8-1ubuntu0.1
https://launchpad.net/ubuntu/+source/golang-1.22/1.22.2-2ubuntu0.4
https://launchpad.net/ubuntu/+source/golang-1.22/1.22.2-2~22.04.3

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