---
id: CVE-2025-64118
title: node-tar is a Tar for Node.js
summary: >-
  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 …
severity: none
cwe:
  - CWE-362
  - CWE-367
published: '2025-10-30'
updated: '2026-10-07'
sourceUpdated: '2026-10-07T22:10:00.217'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-64118'
references:
  - url: >-
      https://github.com/isaacs/node-tar/commit/5330eb04bc43014f216e5c271b40d5c00d45224d
    label: security-advisories@github.com
  - url: 'https://github.com/isaacs/node-tar/issues/445'
    label: security-advisories@github.com
  - url: 'https://github.com/isaacs/node-tar/pull/446'
    label: security-advisories@github.com
  - url: 'https://github.com/isaacs/node-tar/security/advisories/GHSA-29xp-372q-xqph'
    label: security-advisories@github.com
tags:
  - nvd
epss: 0.00134
epssPercentile: 0.02504
ingestedAt: '2026-10-07T22:59:42.828Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.