by Kastro
Paper/Archive/CVE-2026-32746

CVE-2026-32746

GNU inetutils — telnetd in GNU inetutils through 2.7 allows an out-of-bounds write in the LINEMODE SLC (Set Local Characters) suboption handler because a…

EPSS 45%public exploitCVSS 9.8
critical.is priorityof 100
59
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 98.8.988 × 2019.8Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
inetutils≤ 2.7–CNA

Scores by source

mitre (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: poc · Automatable: yes · Technical impact: total

References

refopenwall.com/lists/oss-security/2026/03/12/4reflists.gnu.org/archive/html/bug-inetutils/2026-03/msg00031.htmlrefopenwall.com/lists/oss-security/2026/03/14/1exploitgithub.com/watchtowrlabs/watchtowr-vs-telnetd-CVE-2026-32746