Description
telnetd in GNU inetutils through 2.7 allows an out-of-bounds write in the LINEMODE SLC (Set Local Characters) suboption handler because add_slc does not check whether the buffer is full.
Published: 2026-03-13
Score: 9.8 Critical
EPSS: 4.5% Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-4527-1 inetutils security update
Debian DSA Debian DSA DSA-6193-1 inetutils security update
History

Fri, 08 May 2026 15:45:00 +0000

Type Values Removed Values Added
Title Out-of-Bounds Write in GNU Inetutils telnetd LINEMODE SLC Handler

Tue, 24 Mar 2026 13:30:00 +0000

Type Values Removed Values Added
Title Out-of-Bounds Write in GNU Inetutils telnetd LINEMODE SLC Handler

Mon, 23 Mar 2026 14:15:00 +0000

Type Values Removed Values Added
References
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 19 Mar 2026 14:30:00 +0000

Type Values Removed Values Added
References

Thu, 19 Mar 2026 13:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 18 Mar 2026 14:15:00 +0000

Type Values Removed Values Added
References
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 16 Mar 2026 14:30:00 +0000

Type Values Removed Values Added
References

Sun, 15 Mar 2026 02:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 13 Mar 2026 21:30:00 +0000

Type Values Removed Values Added
First Time appeared Gnu
Gnu inetutils
CPEs cpe:2.3:a:gnu:inetutils:*:*:*:*:*:*:*:*
Vendors & Products Gnu
Gnu inetutils

Fri, 13 Mar 2026 17:30:00 +0000

Type Values Removed Values Added
Description telnetd in GNU inetutils through 2.7 allows an out-of-bounds write in the LINEMODE SLC (Set Local Characters) suboption handler because add_slc does not check whether the buffer is full.
Weaknesses CWE-120
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-03-23T13:13:55.238Z

Reserved: 2026-03-13T17:15:14.405Z

Link: CVE-2026-32746

cve-icon Vulnrichment

Updated: 2026-03-14T02:55:48.456Z

cve-icon NVD

Status : Analyzed

Published: 2026-03-13T19:55:10.147

Modified: 2026-05-05T18:15:51.730

Link: CVE-2026-32746

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-08T15:30:05Z

Weaknesses