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7.8

ncurses versions before 6 can run malicious code

published 1 month ago
Summary

The ncurses library used for text‑based user interfaces is vulnerable in versions earlier than 6. An attacker who can influence the data processed by this library could cause it to execute unwanted commands on the server. Upgrade ncurses to version 6 or later to eliminate the risk.

What to do
  • Update cleanstart ncurses to version 6.4_p20230424-r0.
Affected software
Ecosystem VendorProductAffected versions
CleanStart cleanstart ncurses < 6.4_p20230424-r0
Fix: upgrade to 6.4_p20230424-r0
Original advisory text
ncurses before 6
Security vulnerability affects the ncurses package. ncurses before 6.
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker full control (estimated)
Severity
7.8 High
Timeline
Published1 Oct 2026
Updated8 Oct 2026
First seen8 Oct 2026
Sources
CLEANSTART-2026-JO18362 · OSV
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