CVE-2026-32746

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 v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

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

Configurations

Configuration 1 (hide)

cpe:2.3:a:gnu:inetutils:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-03-13 19:55

Updated : 2026-06-17 10:36

NVD link : CVE-2026-32746

Mitre link : CVE-2026-32746

CVE.ORG link : CVE-2026-32746

JSON object : View

Products Affected

gnu

inetutils

CWE

CWE-120

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

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