{"id":"AZL-113453","summary":"CVE-2026-97042 affecting package golang 1.27.4-1","details":"Building a malicious package that uses \"//go:cgo_import_dynamic\" 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 \"//go:cgo_import_dynamic\" directives and skipped validation in cgo-generated files. In addition, on Windows, \"cmd/cgo\" and \"cmd/link\" did not validate imported DLL names extracted from PE object files before emitting \"-l\u003cname\u003e\" flags for the external linker, allowing a crafted DLL name containing \"..\" path traversal or special characters to reference arbitrary files on disk. The compiler now validates every character of the library name in \"//go:cgo_import_dynamic\" directives (including in cgo-generated files on Windows) and rejects \"..\" path traversal, and \"cmd/cgo\" and \"cmd/link\" reject PE imported DLL names containing path separators, \"..\", \":\", or leading \"-\" or \"@\".","modified":"2026-11-13T14:17:22.539987071Z","published":"2026-11-11T05:19:58Z","upstream":["CVE-2026-97042"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-97042"}],"affected":[{"package":{"name":"golang","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/golang"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.27.0"},{"last_affected":"1.27.4-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-113453.json"}}],"schema_version":"1.9.2"}