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GHSA-q6m9-xj2w-xmrc

uutils coreutils has a Time-of-check Time-of-use (TOCTOU) Race Condition

Source: GitHub Advisory Database (reviewed) Moderate CVE-2026-35360

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 touch utility in uutils coreutils is vulnerable to a Time-of-Check to Time-of-Use (TOCTOU) race condition during file creation. When the utility identifies a missing path, it later attempts creation using File::create(), which internally uses O_TRUNC. An attacker can exploit this window to create a file or swap a symlink at the target path, causing touch to truncate an existing file and leading to permanent data loss.

References

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