EUVD-2026-24708Severity by source
AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Primary rating from NVD.
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Lifecycle Timeline
4DescriptionCVE.org
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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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a local attacker to create a directory with a name containing printf format specifiers in a location where the target user will browse using nano's file browser or where nano will display the directory name in the status line. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | CVSS 5.5 with AV:L (local only), AC:L (low complexity), PR:N (no privileges), UI:R (requires user interaction), and impact limited to availability (A:H) indicates moderate real-world risk. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | A local user creates a directory named something like 'test_%x_%x_%x' in /tmp. When another user opens nano and browses the file system or uses the file browser feature, nano attempts to display the directory name in the status line. … |
| Remediation | Apply the security patch released by Red Hat. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Vendor StatusVendor
SUSE
Severity: MediumShare
External POC / Exploit Code
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