CVE-2025-64118

node-tar is a Tar for Node.js. In 7.5.1, using .t (aka .list) with { sync: true } to read tar entry contents returns uninitialized memory contents if tar file was changed on disk to a smaller size while being read. This vulnerability is fixed in 7.5.2.

Scoring

Severity
MEDIUM
CVSS base score
6.1
CVSS vector
CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:H/VI:L/VA:L/SC:H/SI:H/SA:H
EPSS probability
0.13%
CWE
CWE-362, CWE-367
Published
2025-10-30
Last modified
2026-09-14

Affected products

Weakness type

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