CVE-2026-32746

Summary

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 Software

Weaknesses

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

ADP Enrichment

CVE Program Container

Additional References

• http://www.openwall.com/lists/oss-security/2026/03/14/1

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: yes
  • Technical Impact: total

Additional References

• https://github.com/watchtowrlabs/watchtowr-vs-telnetd-CVE-2026-32746

References

• https://www.openwall.com/lists/oss-security/2026/03/12/4
• https://lists.gnu.org/archive/html/bug-inetutils/2026-03/msg00031.html

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