Cyber Resilience

CVE-2023-39323

High

Published: 05 October 2023

Published
05 October 2023
Modified
12 June 2025
KEV Added
Patch
CVSS Score v3.1 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0006 19.0th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-39323 is a high-severity an unspecified weakness vulnerability in Fedoraproject Fedora. Its CVSS base score is 8.1 (High).

Operationally, ranked at the 19.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Line directives ("//line") can be used to bypass the restrictions on "//go:cgo_" directives, allowing blocked linker and compiler flags to be passed during compilation. This can result in unexpected execution of arbitrary code when running "go build". The line directive…

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requires the absolute path of the file in which the directive lives, which makes exploiting this issue significantly more complex.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

golang
go
≤ 1.20.9 · 1.21.0 — 1.21.2
fedoraproject
fedora
37, 38, 39

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References