ZeroHour

CVE-2026-35360

PoC
CVSS 3.1
6.3 medium
EPSS
<1%p1
Published
()
Modified
Description

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.

Vendors
uutils
Products
coreutils
Weakness
CWE-367
Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H

In the news

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