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.
Severity
CVSS 3.1 · CNA9.8 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSSVC · CISA-ADP
Exploitationpoc
Automatableyes
Technical impacttotal
Exploitation Context
as of October 28, 2026- Its current EPSS score (44.1%) is higher than that of 46% of CISA KEV entries.
Affected Products
| Vendor | Product | Affected versions |
|---|---|---|
| GNU | GNU inetutils | 0 to 2.7 |
References
3 LinksRecord Details
Published
2026-03-13
Last updated
2026-03-23
Assigner (CNA)
mitre
Credited to
-
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Tool categories
CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). Alert titles and links from CISA cybersecurity alerts. This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.