CVE-2026-35344

LOW

uutils coreutils dd Silent Data Corruption via Unconditional Truncation Error Suppression

Title source: cna
STIX 2.1

Description

The dd utility in uutils coreutils suppresses errors during file truncation operations by unconditionally calling Result::ok() on truncation attempts. While intended to mimic GNU behavior for special files like /dev/null, the uutils implementation also hides failures on regular files and directories caused by full disks or read-only file systems. This can lead to silent data corruption in backup or migration scripts, as the utility may report a successful operation even when the destination file contains old or garbage data.

Scores

CVSS v3 3.3
EPSS 0.0001
EPSS Percentile 2.6%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-252
Status published
Products (1)
Uutils/coreutils
Published Apr 22, 2026
Tracked Since Apr 22, 2026