Analysis
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Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Go toolchain | cmd/go | unaffected |
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Tracking
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Wed, 11 Nov 2026 03:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Building a malicious package that uses cgo could cause arbitrary code execution at build time through several compiler and linker flags permitted in "#cgo" directives. Specifically, "--sysroot" in GCC and Clang relocates compiler subprograms, spec files, and CRT startup objects to an attacker-controlled directory; "-target" in Clang falls back to executing target helper tools from the current working directory when not found in PATH; "-isysroot" and "-Wl,-syslibroot" can pass a regular file on disk to GNU ld.bfd, which interprets it as a positional linker script; and "-x" permitted specifying arbitrary compiler input languages beyond those supported by cgo. "--sysroot" and "-target" are now disallowed in "#cgo" flags, "-isysroot" and "-Wl,-syslibroot" are verified not to point to regular files, and "-x" is restricted to the C, C++, Objective-C, and assembler languages supported by cgo. | |
| Title | Unexpected code execution via --sysroot, -target, -isysroot, -Wl,-syslibroot, and -x cgo flags in cmd/go | |
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Subscriptions
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MITRE
Status: PUBLISHED
Assigner: Go
Published:
Updated: 2026-11-11T03:13:17.601Z
Reserved: 2026-09-23T23:04:33.594Z
Link: CVE-2026-97033
Vulnrichment
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NVD
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Redhat
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OpenCVE Enrichment
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No weakness.