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GHSA-x2wv-9p67-mh9w

uutils coreutils doesn't properly handle setuid and setgid bits when ownership preservation fails

Source: GitHub Advisory Database (reviewed) Moderate CVE-2026-35350

Packages

EcosystemPackageAffectedFixed in
crates.io coreutils <= 0.8.0 no fix listed

Details

As written in the advisory (Markdown source, shown as plain text).

The cp utility in uutils coreutils fails to properly handle setuid and setgid bits when ownership preservation fails. When copying with the -p (preserve) flag, the utility applies the source mode bits even if the chown operation is unsuccessful. This can result in a user-owned copy retaining original privileged bits, creating unexpected privileged executables that violate local security policies. This differs from GNU cp, which clears these bits when ownership cannot be preserved.

References

External links from the advisory. They lead to third-party sites.