SB2026030334 - Multiple vulnerabilities in Go programming language

Description

This security bulletin contains information about 2 vulnerabilities.

1) Improper Certificate Validation (CVE-ID: CVE-2025-68121)

CWE-ID: CWE-295 - Improper Certificate Validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to improper certificate validation within HTTP/3 connections. A remote attacker can cause cause a client to resume a session with a server that it would not have resumed with during the initial handshake

2) Code Injection (CVE-ID: CVE-2025-61732)

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

CVSSv4: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to inject arbitrary code into the application.

The vulnerability exists due to improper input validation in cmd/cgo caused by discrepancy between how Go and C/C++ comments are parsed. A remote attacker can smuggle code into the resulting cgo binary.

Remediation

Install update from vendor's website.

References

• https://groups.google.com/g/golang-announce/c/K09ubi9FQFk?pli=1
• https://github.com/golang/go/issues/77217
• https://github.com/golang/go/issues/77113