EUVD-2026-24708
Use of Externally-Controlled Format String (CWE-134)
2026-04-22
redhat
5.5
CVSS 3.1
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CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Lifecycle Timeline
1
Analysis Generated
Apr 22, 2026 - 10:03 vuln.today
DescriptionNVD
A flaw was found in nano. A local user could exploit a format string vulnerability in the statusline() function. By creating a directory with a name containing printf specifiers, the application attempts to display this name, leading to a segmentation fault (SEGV). This results in a Denial of Service (DoS) for the nano application.
AnalysisAI
Format string vulnerability in nano's statusline() function allows local users to trigger a segmentation fault via directory names containing printf specifiers, causing denial of service. Exploitation requires user interaction (opening a directory with the crafted name) on systems where nano is available to local users. …
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External POC / Exploit Code
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Destination URL
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