CVE-2025-64118

    Dashboard / Vulnerabilities / CVE-2025-64118

    CVE-2025-64118

    Published: 30 Oct 2025Last Modified: 9 Oct 2026

    Summary: node-tar vulnerable to race condition leading to uninitialized memory exposure

    Details: 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.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/64xxx/CVE-2025-64118.json, https://github.com/isaacs/node-tar/security/advisories/GHSA-29xp-372q-xqph, https://nvd.nist.gov/vuln/detail/CVE-2025-64118, https://github.com/isaacs/node-tar/issues/445, https://github.com/isaacs/node-tar/commit/5330eb04bc43014f216e5c271b40d5c00d45224d, https://github.com/isaacs/node-tar/pull/446

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 64728e88cb5805faa78264204d520eb741ce4b6f
    Fixed -5330eb04bc43014f216e5c271b40d5c00d45224d

    Affected versions

    = 7.5.1

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2025-64118 | CVE-DB