CVE-2026-32746

State: Published
Severity: 9.8 Critical
Published: Mar 13, 2026
Updated: Mar 23, 2026
Reserved: Mar 13, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	mitre

Weaknesses

CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Affected Products

Product	Versions
inetutilsGNU	2.7 and earlierAffected

References

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

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