CVE-2026-35365

uutils coreutils mv Denial of Service and Data Duplication via Improper Symlink Expansion

State
Published
Severity
6.6 Medium
Published
Apr 22, 2026
Updated
Apr 22, 2026
Reserved
Apr 2, 2026

Read the record on cve.org

Description

The mv utility in uutils coreutils improperly handles directory trees containing symbolic links during moves across filesystem boundaries. Instead of preserving symlinks, the implementation expands them, copying the linked targets as real files or directories at the destination. This can lead to resource exhaustion (disk space or time) if symlinks point to large external directories, unexpected duplication of sensitive data into unintended locations, or infinite recursion and repeated copying in the presence of symlink loops.

Scores

CVSSScoreVectorSource
3.16.6 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:Lcanonical

Weaknesses

  • CWE-59 Improper Link Resolution Before File Access ('Link Following')

Affected Products

ProductVersions
coreutilsUutils
  • before 0.7.0Affected

References

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