CVE-2026-32746
critical
CVSS v3
9.8
CVSS v2
—
VIR risk
9.8
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
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2026-32746.html
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2026-32746
Vendor advisory: cve@mitre.org — https://lists.gnu.org/archive/html/bug-inetutils/2026-03/msg00031.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 2:2.4-2+deb12u3 |
| debian | bullseye | fixed | 2:2.0-1+deb11u4 |
| debian | forky | fixed | 2:2.7-4 |
| debian | sid | fixed | 2:2.7-4 |
| debian | trixie | fixed | 2:2.6-3+deb13u3 |
| sles | affected | |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| gnu | inetutils | {"endIncluding":"2.7"} | |
References
- https://lists.gnu.org/archive/html/bug-inetutils/2026-03/msg00031.html
- https://www.openwall.com/lists/oss-security/2026/03/12/4
- http://www.openwall.com/lists/oss-security/2026/03/14/1
- https://github.com/watchtowrlabs/watchtowr-vs-telnetd-CVE-2026-32746
- https://security-tracker.debian.org/tracker/CVE-2026-32746
- https://www.suse.com/security/cve/CVE-2026-32746.html
CWEs
CWE-120
Verify integrity in audit chain (admin only). AS-IS.