CVE-2019-13173

fstream before 1.0.12 is vulnerable to Arbitrary File Overwrite. Extracting tarballs containing a hardlink to a file that already exists in the system, and a file that matches the hardlink, will overwrite the system's file with the contents of the extracted file. The fstream.DirWriter() function is vulnerable.

• CWE-59

• http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00010.html
• http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00052.html
• https://github.com/npm/fstream/commit/6a77d2fa6e1462693cf8e46f930da96ec1b0bb22Patch, Third Party Advisory
• https://usn.ubuntu.com/4123-1/
• https://www.npmjs.com/advisories/886Patch, Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00010.html
• http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00052.html
• https://github.com/npm/fstream/commit/6a77d2fa6e1462693cf8e46f930da96ec1b0bb22Patch, Third Party Advisory
• https://usn.ubuntu.com/4123-1/
• https://www.npmjs.com/advisories/886Patch, Vendor Advisory

Published

Jul 2, 2019

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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