CVE-2025-64118
CVE-2025-64118 is a medium-severity vulnerability with a CVSS 4.0 base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-362.
Key facts
- Severity: Medium (CVSS 4.0 base score 6.1)
- EPSS exploit prediction: 0% (3rd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-37034
- Weakness: CWE-362
- Published:
- Last modified:
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2025-64118?
- CVE-2025-64118 has a CVSS 4.0 base score of 6.1, rated medium severity.
- Is CVE-2025-64118 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2025-64118?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-64118 have an EU (EUVD) identifier?
- Yes. CVE-2025-64118 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-37034.
- When was CVE-2025-64118 published?
- CVE-2025-64118 was published on 2025-10-30 and last updated on 2026-06-17.
References
- https://github.com/isaacs/node-tar/commit/5330eb04bc43014f216e5c271b40d5c00d45224d
- https://github.com/isaacs/node-tar/issues/445
- https://github.com/isaacs/node-tar/pull/446
- https://github.com/isaacs/node-tar/security/advisories/GHSA-29xp-372q-xqph
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