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
- isaacs node-tar
Weakness type
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