node-tar: Process crash via PAX numeric path type confusion

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Summary

CVECVE-2026-59871
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-08 16:16:33 UTC
Updated2026-07-08 17:17:26 UTC
Descriptionnode-tar is a tar archive manipulation library for Node.js. Prior to 7.5.18, node-tar coerces all-digit PAX path and linkpath values in src/pax.ts to JavaScript numbers, causing downstream path handling such as normalizeWindowsPath(entry.path).split('/') to throw an uncaught TypeError. This issue is fixed in version 7.5.18.

Risk And Classification

Primary CVSS: v3.1 5.3 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Problem Types: CWE-704 | CWE-704 CWE-704: Incorrect Type Conversion or Cast

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
3.1CNADECLARED5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Isaacs Node-tar affected < 7.5.18 Not specified

References

ReferenceSourceLinkTags
github.com/isaacs/node-tar/commit/e02a4e9e013c4be95302e2eb2047a942b883c27b [email protected] github.com
github.com/isaacs/node-tar/releases/tag/v7.5.18 [email protected] github.com
github.com/isaacs/node-tar/security/advisories/GHSA-w8wr-v893-vjvp 134c704f-9b21-4f2e-91b3-4a467353bcc0 github.com
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