CVE-2025-64118CWE-362CWE-367

CVE-2025-64118

published October 30, 2025

CVSS
6.1
EPSS
0%
Percentile
2.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
6.1 · NONE
CVSS v4.0
Not supplied
EPSS
0.00134 · 2.7th percentile
Weaknesses
CWE-362 · Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition'); CWE-367 · Time-of-check Time-of-use (TOCTOU) Race Condition
Published
2025-10-30T22:15Z
References (4)
https://github.com/isaacs/node-tar/commit/5330eb04bc43014f216e5c271b40d5c00d45224d · [email protected]https://github.com/isaacs/node-tar/issues/445 · [email protected]https://github.com/isaacs/node-tar/pull/446 · [email protected]https://github.com/isaacs/node-tar/security/advisories/GHSA-29xp-372q-xqph · [email protected]
EPSS history
Timeline
  • 30 OCT 17:50Z
    node-tar vulnerable to race condition leading to uninitialized memory exposure
    cvelistv5