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Vulnerability record · CVE-2026-32746 · published 13 March 2026

CVE-2026-32746: Gnu inetutils classic buffer overflow vulnerability

Gnu · Inetutils

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.

9.8 CVSS 3.1 Critical EPSS 2.4% · top 16.3% CWE-120 · Classic buffer overflow
9.8CVSS 3.1 base score
2.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 1 tagged exploit
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://lists.gnu.org/archive/html/bug-inetutils/2026-03/msg00031.html ExploitVendor Advisory
https://www.openwall.com/lists/oss-security/2026/03/12/4 Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2026/03/14/1 Mailing ListThird Party Advisory
https://github.com/watchtowrlabs/watchtowr-vs-telnetd-CVE-2026-32746 Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-32746), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.