CVE-2025-64118 – node-tar vulnerable to race condition leading to uninitialized memory exposure

CVE ID : CVE-2025-64118

Published : Oct. 30, 2025, 6:15 p.m. | 1 hour, 11 minutes ago

Description : 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.

Severity: 6.1 | MEDIUM

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