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

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

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