The install utility in uutils coreutils is vulnerable to a Time-of-Check to Time-of-Use (TOCTOU) race condition during file installation. The implementation unlinks an existing destination file and then recreates it using a path-based opera…
Exact source revision recorded 28 Oct 2026 04:55:09 UTC. It does not establish the source's current position. Latest evidence.
euvd · EUVD-2026-24992
PublishedThe install utility in uutils coreutils is vulnerable to a Time-of-Check to Time-of-Use (TOCTOU) race condition during file installation. The implementation unlinks an existing destination file and then recreates it using a path-based operation without the O_EXCL flag. A local attacker can exploit the window between the unlink and the subsequent creation to swap the path with a symbolic link, allowing them to redirect privileged writes to overwrite arbitrary system files.
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Original publisher date fields
datePublished: Apr 22, 2026, 4:08:14 PM
dateUpdated: Apr 22, 2026, 6:01:47 PM
- Source published
- Apr 22, 2026, 4:08:14 PM (timezone not stated)
- Source modified
- Apr 22, 2026, 6:01:47 PM (timezone not stated)
- Observed here
- 28 Oct 2026 04:55:09 UTC
- Source terms
- ENISA EUVD · source terms and attribution apply
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EUVD CVSS 3.1 · 6.3 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H