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Vulnerability record · CVE-2023-29405 · published 8 June 2023

CVE-2023-29405: Golang go injection vulnerability

Golang · Go

The go command may execute arbitrary code at build time when using cgo. This may occur when running "go get" on a malicious module, or when running any other command which builds untrusted code. This is can by triggered by linker flags, specified via a "#cgo LDFLAGS" directive. Flags containing embedded spaces are mishandled, allowing disallowed flags to be smuggled through the LDFLAGS sanitization by including them in the argument of another flag. This only affects usage of the gccgo compiler.

9.8 CVSS 3.1 Critical EPSS 1.7% · top 23.5% CWE-74 · Injection
9.8CVSS 3.1 base score
1.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
15References
17 Jun 2026Last modified by NVD

Description

The go command may execute arbitrary code at build time when using cgo. This may occur when running "go get" on a malicious module, or when running any other command which builds untrusted code. This is can by triggered by linker flags, specified via a "#cgo LDFLAGS" directive. Flags containing embedded spaces are mishandled, allowing disallowed flags to be smuggled through the LDFLAGS sanitization by including them in the argument of another flag. This only affects usage of the gccgo compiler.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://go.dev/cl/501224 Patch
https://go.dev/issue/60306 Issue Tracking
https://groups.google.com/g/golang-announce/c/q5135a9d924/m/j0ZoAJOHAwAJ Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/NZ2O6YCO2IZMZJELQGZYR2WAU
https://lists.fedoraproject.org/archives/list/[email protected]/message/XBS3IIK6ADV24C5ULQU55QLT2 Mailing List
https://pkg.go.dev/vuln/GO-2023-1842 Vendor Advisory
https://security.gentoo.org/glsa/202311-09
https://go.dev/cl/501224 Patch
https://go.dev/issue/60306 Issue Tracking
https://groups.google.com/g/golang-announce/c/q5135a9d924/m/j0ZoAJOHAwAJ Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/NZ2O6YCO2IZMZJELQGZYR2WAU
https://lists.fedoraproject.org/archives/list/[email protected]/message/XBS3IIK6ADV24C5ULQU55QLT2 Mailing List
https://pkg.go.dev/vuln/GO-2023-1842 Vendor Advisory
https://security.gentoo.org/glsa/202311-09
https://security.netapp.com/advisory/ntap-20241206-0003/

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Source: NIST National Vulnerability Database (record CVE-2023-29405), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.