Buffer overflow in GNU Inetutils
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.025 (84.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 84.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.237 · newest: 0.025 · change: -0.211
Affected products
- GNU Inetutils — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.openwall.com/lists/oss-security/2026/03/12/4 (Mailing List, Third Party Advisory)
- lists.gnu.org/archive/html/bug-inetutils/2026-03/msg00031.html (Exploit, Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Third Party Advisory)
Frequently asked questions
- What is CVE-2026-32746?
- CVE-2026-32746 is a critical-severity vulnerability in GNU Inetutils, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2026-03-13.
- How severe is CVE-2026-32746?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2026-32746 known to be exploited?
- 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.