CVE-2026-32746 | telnetd in GNU inetutils through 2.7 allows an out-of-bounds… | CVSS 9.8 CRITICAL

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.

Metadata

CVE ID: CVE-2026-32746
State: PUBLISHED
Assigner: mitre
Reserved: 2026-03-13 17:15 UTC
Published: 2026-03-13 17:15 UTC
Last updated: 2026-03-23 13:13 UTC
Primary CWE: CWE-120
CWE-120 Buffer Copy without Checking Size of Input ('Classic…
Vendor / Product: GNU / inetutils
Sources: cve.org · NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: PoC
Automatable: yes
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
GNU	inetutils	—	0 ≤ 2.7

Weakness (CWE)

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

CVSS scores (1)

Score	Severity	Version	Source	Vector
9.8	CRITICAL	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References (2)