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From: Salvatore Bonaccorso <carnil@debian.org>
To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: node-proxy-agents: CVE-2026-44240
Message-ID: <177875909949.689269.596156738666718088.reportbug@eldamar.lan>
X-Mailer: reportbug 13.2.0
Date: Thu, 14 May 2026 13:44:59 +0200
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Source: node-proxy-agents
Version: 0~2025070717+~cs15.3.7-1
Severity: important
Tags: security upstream
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>

Hi,

The following vulnerability was published for node-proxy-agents.

CVE-2026-44240[0]:
| basic-ftp is an FTP client for Node.js. Prior to 5.3.1, basic-ftp is
| vulnerable to client-side denial of service when parsing FTP
| control-channel multiline responses. A malicious or compromised FTP
| server can send an unterminated multiline response during the
| initial FTP banner phase, before authentication. The client keeps
| appending attacker-controlled data into FtpContext._partialResponse
| and repeatedly reparses the accumulated buffer without enforcing a
| maximum control response size. As a result, an application using
| basic-ftp can remain stuck in connect() while memory and CPU usage
| grow under attacker-controlled input. This can lead to process-level
| denial of service, container OOM kills, worker restarts, queue
| backlog, or service degradation in applications that automatically
| connect to FTP endpoints. This vulnerability is fixed in 5.3.1.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2026-44240
    https://www.cve.org/CVERecord?id=CVE-2026-44240
[1] https://github.com/patrickjuchli/basic-ftp/security/advisories/GHSA-rpmf-866q-6p89

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore
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