CVE-2026-35348: uutils coreutils has an Uncaught Exception When Encountering Valid but Non-UTF-8 Paths

CVE-2026-35348 · Severity: medium · CVSS 5.5 · Published 2026-04-22

The sort utility in uutils coreutils is vulnerable to a process panic when using the --files0-from option with inputs containing non-UTF-8 filenames. The implementation enforces UTF-8 encoding and utilizes expect(), causing an immediate crash when encountering valid but non-UTF-8 paths. This diverges from GNU sort, which treats filenames as raw bytes. A local attacker can exploit this to crash the utility and disrupt automated pipelines.

Technologies: coreutils (crates.io), Uutils Coreutils. Vendors: crates.io, Uutils.

Quick answers

Is CVE-2026-35348 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-35348 being exploited in the wild.
How severe is CVE-2026-35348?
Medium severity, with a CVSS score of 5.5, published 22 April 2026.
Which products and versions are affected?
coreutils (crates.io) SEMVER:introduced=0,last_affected=0.8.0.
Is there a fix for CVE-2026-35348?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2026-35348?
Check whether you run coreutils (crates.io) or Uutils Coreutils at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • coreutils (crates.io) SEMVER:introduced=0,last_affected=0.8.0
  • Uutils Coreutils

Identifiers

  • CVE-2026-35348
  • GHSA-f2jv-wjjc-2c94

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.