Description
A flaw was found in curl. When communicating with a malicious server using protocols such as FTP, IMAP, POP3, or SMTP, the server can trigger an infinite loop by continuously transmitting data while omitting the final control response line. This behavior bypasses configured transfer timeouts, indefinitely blocking concurrent transfers and resulting in a Denial of Service (DoS).
Published: n/a
Score: 3.7 Low
EPSS: n/a
KEV: No
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Remediation

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Tracking

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Advisories
Source ID Title
Ubuntu USN Ubuntu USN USN-8927-1 curl vulnerabilities
History

Sat, 17 Oct 2026 00:30:00 +0000

Type Values Removed Values Added
Description A flaw was found in curl. When communicating with a malicious server using protocols such as FTP, IMAP, POP3, or SMTP, the server can trigger an infinite loop by continuously transmitting data while omitting the final control response line. This behavior bypasses configured transfer timeouts, indefinitely blocking concurrent transfers and resulting in a Denial of Service (DoS).
Title curl: curl: never-ending loop via server response omission
Weaknesses CWE-835
References
Metrics threat_severity

None

 cvssV3_1

{'score': 3.7, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L'}

threat_severity

Low

Subscriptions

No data.

cve-icon MITRE

No data.

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

Severity : Low

Publid Date: 2026-10-14T12:00:00Z

Links: CVE-2026-92387 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-10-17T02:00:07Z

Weaknesses
  • CWE-835

    Loop with Unreachable Exit Condition ('Infinite Loop')