CVE-2026-32746

critical

Published 2026-03-13 · Modified 2026-05-05

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

9.8

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

CVSS v4 NEW

—

not yet in upstream

VIR risk

10.0

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.

Predictions

Exploit likelihood

97%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-52556 remote multiple

jeffbarron · 2026-05-07

telnetd 2.7 - Buffer Overflow

Source code queued for fetch — refresh in a moment.

OS impact

SUSE Affected 1 release

Version	Status	Fixed in
—	Affected	—

Debian Fixed 5 releases

Version	Status	Fixed in
trixie	Fixed	`2:2.6-3+deb13u3`
sid	Fixed	`2:2.7-4`
forky	Fixed	`2:2.7-4`
bullseye	Fixed	`2:2.0-1+deb11u4`
bookworm	Fixed	`2:2.4-2+deb12u3`

Application impact

Vendor	Product	Versions	Fixed
gnu	inetutils	`{"endIncluding":"2.7"}`

References

CWEs

CWE-120

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.