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CVE-2026-35358

5.5 medium SSVC exploitation: none Analyzed
NVD · CVE.org

The cp utility in uutils coreutils, when performing recursive copies (-R), incorrectly treats character and block device nodes as stream sources rather than preserving them. Because the implementation reads bytes into regular files at the destination instead of using mknod, device semantics are destroyed (e.g., /dev/null becomes a regular file). This behavior can lead to runtime denial of service through disk exhaustion or process hangs when reading from unbounded device nodes.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 5.5 · uutilsNVD modified 2026-10-26 22:10

Affected (CPE criteria) 1

  • cpe:2.3:a:uutils:coreutils:*:*:*:*:*:rust:*:*

References 4