https://db.gcve.eu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Fri, 13 Nov 2026 05:05:17 +0000 https://db.gcve.eu/vuln/cve-2026-97042 <p><strong>Affected:</strong> Go toolchain cmd/cgo, Go toolchain cmd/compile, Go toolchain cmd/link</p> <p>Building a malicious package that uses &#34;//go:cgo_import_dynamic&#34; or links against a crafted PE object on Windows could pass unsafe library arguments to the external linker. The compiler only checked the first character of the library name in &#34;//go:cgo_import_dynamic&#34; directives and skipped validation in cgo-generated files. In addition, on Windows, &#34;cmd/cgo&#34; and &#34;cmd/link&#34; did not validate imported DLL names extracted from PE object files before emitting &#34;-l&lt;name&gt;&#34; flags for the external linker, allowing a crafted DLL name containing &#34;..&#34; path traversal or special characters to reference arbitrary files on disk. The compiler now validates every character of the library name in &#34;//go:cgo_import_dynamic&#34; directives (including in cgo-generated files on Windows) and rejects &#34;..&#34; path traversal, and &#34;cmd/cgo&#34; and &#34;cmd/link&#34; reject PE imported DLL names containing path separators, &#34;..&#34;, &#34;:&#34;, or leading &#34;-&#34; or &#34;@&#34;.</p> <p><strong>Affected:</strong> Go toolchain cmd/cgo, Go toolchain cmd/compile, Go toolchain cmd/link</p> <p>Building a malicious package that uses &#34;//go:cgo_import_dynamic&#34; or links against a crafted PE object on Windows could pass unsafe library arguments to the external linker. The compiler only checked the first character of the library name in &#34;//go:cgo_import_dynamic&#34; directives and skipped validation in cgo-generated files. In addition, on Windows, &#34;cmd/cgo&#34; and &#34;cmd/link&#34; did not validate imported DLL names extracted from PE object files before emitting &#34;-l&lt;name&gt;&#34; flags for the external linker, allowing a crafted DLL name containing &#34;..&#34; path traversal or special characters to reference arbitrary files on disk. The compiler now validates every character of the library name in &#34;//go:cgo_import_dynamic&#34; directives (including in cgo-generated files on Windows) and rejects &#34;..&#34; path traversal, and &#34;cmd/cgo&#34; and &#34;cmd/link&#34; reject PE imported DLL names containing path separators, &#34;..&#34;, &#34;:&#34;, or leading &#34;-&#34; or &#34;@&#34;.</p> https://db.gcve.eu/vuln/cve-2026-97042