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

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.

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

References and patches

• https://github.com/isaacs/node-tar/security/advisories/GHSA-29xp-372q-xqph
• https://github.com/isaacs/node-tar/issues/445
• https://github.com/isaacs/node-tar/pull/446
• https://github.com/isaacs/node-tar/commit/5330eb04bc43014f216e5c271b40d5c00d45224d