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Wed, 30 Sep 2026 21:30:00 +0000
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Wed, 30 Sep 2026 20:00:00 +0000
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| Description | basic-ftp is an FTP client for Node.js. Prior to 6.2.1, Client.list() can be forced by a malicious or compromised FTP server to spend quadratic CPU time parsing a directory listing because the RE_LINE expression in src/parseListUnix.ts backtracks across adjacent variable-length owner and group fields when a long Unix-style line has a valid prefix but cannot satisfy the later size and date fields. parseList() selects a parser from the last nonblank line and then applies it to every line, so a normal final line can select the Unix parser while an earlier crafted line blocks the Node.js event loop and freezes the process. This issue is fixed in version 6.2.1. | |
| Title | basic-ftp: Quadratic-time CPU denial of service in Client.list() Unix directory-listing parser (RE_LINE backtracking) | |
| Weaknesses | CWE-1333 | |
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cvssV4_0
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Subscriptions
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-09-30T20:05:49.721Z
Reserved: 2026-09-29T20:46:08.334Z
Link: CVE-2026-102990
Updated: 2026-09-30T20:05:24.479Z
Status : Deferred
Published: 2026-09-30T20:17:26.140
Modified: 2026-09-30T21:17:06.307
Link: CVE-2026-102990
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OpenCVE Enrichment
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