Vulnerability in Uutils Coreutils

CVE-2026-35346

The comm utility in uutils coreutils silently corrupts data by performing lossy UTF-8 conversion on all output lines. The implementation uses String::from_utf8_lossy(), which replaces invalid UTF-8 byte sequences with the Unicode replaceme…

EPSS: 0.000 (2.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-35346?
CVE-2026-35346 is a low-severity vulnerability in Uutils Coreutils, classified under CWE-176. CVSS score: 3.3/10. Published 2026-04-22.
How severe is CVE-2026-35346?
Low severity. CVSS v3 base score is 3.3 out of 10.