CVE-2026-32746

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Summary

CVECVE-2026-32746
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-03-13 19:55:10 UTC
Updated2026-05-05 18:15:51 UTC
Descriptiontelnetd 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.

Risk And Classification

Primary CVSS: v3.1 9.8 CRITICAL from [email protected]

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

EPSS: 0.000330000 probability, percentile 0.093490000 (date 2026-05-05)

Problem Types: CWE-120 | CWE-120 CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1CNACVSS9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Gnu Inetutils All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA GNU Inetutils affected 2.7 custom Not specified

References

ReferenceSourceLinkTags
github.com/watchtowrlabs/watchtowr-vs-telnetd-CVE-2026-32746 134c704f-9b21-4f2e-91b3-4a467353bcc0 github.com Third Party Advisory
lists.gnu.org/archive/html/bug-inetutils/2026-03/msg00031.html [email protected] lists.gnu.org Exploit, Vendor Advisory
www.openwall.com/lists/oss-security/2026/03/12/4 [email protected] www.openwall.com Mailing List, Third Party Advisory
www.openwall.com/lists/oss-security/2026/03/14/1 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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