CVE-2026-73566

Summary

node-tar is a tar archive manipulation library for Node.js. Prior to 7.5.21, node-tar's filesFilter in src/list.ts uses the recursive mapHas helper to walk an archive entry path upward with path.dirname() and no segment cap when tar.t(…) or tar.x(…) receives a non-empty member-selection list. A crafted GNU L or PAX x long-path header with thousands of slash-separated segments reaches this.filter(entry.path, entry) in Parser[CONSUMEHEADER] in src/parse.ts before Unpack[CHECKPATH] applies maxDepth, causing an uncatchable RangeError stack overflow that terminates asynchronous and streaming Node.js consumers. This issue is fixed in version 7.5.21.

Affected Software

Weaknesses

• CWE-400: CWE-400: Uncontrolled Resource Consumption
• CWE-674: CWE-674: Uncontrolled Recursion

References

• https://github.com/isaacs/node-tar/security/advisories/GHSA-r292-9mhp-454m
• https://github.com/isaacs/node-tar/commit/631ae59121bf8fc8a22bbae35f074cb9b789cd4a

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