{"cve":"CVE-2025-64118","nvd":{"published":"2025-10-30T18:15:33.673","modified":"2026-10-07T22:10:00.217","status":"Deferred","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.","cvss_v4":{"vector":"CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:H/VI:L/VA:L/SC:H/SI:H/SA:H","score":6.1},"cvss_v3":null,"cwes":["CWE-362","CWE-367"],"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"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:14:53.307938015+00:00"},"epss":{"cve":"CVE-2025-64118","score":0.00134,"percentile":0.02905,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-29xp-372q-xqph","url":"https://osv.dev/vulnerability/GHSA-29xp-372q-xqph","summary":"node-tar has a race condition leading to uninitialized memory exposure","modified":"2026-09-10T03:50:29.104633137Z","packages":[{"ecosystem":"npm","name":"tar","purl":"pkg:npm/tar","ranges":[">=7.5.1 <7.5.2"],"fixed":["7.5.2"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}