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Denial of Service Vulnerability in Ubuntu's ncurses Library

Denial of Service Vulnerability in Ubuntu's ncurses Library

First seen 1 Sep 2026, 22:29 UTC • •

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ThreatCluster AI
ThreatCluster •September 2, 2026 at 22:14 UTC
  • •ncurses vulnerability can cause denial of service on affected Ubuntu systems.
  • •Local attackers can exploit specially crafted terminfo database entries.
  • •Users should update to the latest package versions to mitigate risks.

A vulnerability in the ncurses library has been identified, allowing local attackers to exploit specially crafted terminfo database entries. This flaw can lead to applications using ncurses crashing, resulting in a denial of service. The affected systems include various versions of Ubuntu, specifically 24.04 LTS, 22.04 LTS, 20.04 LTS, 18.04 LTS, 16.04 LTS, and 14.04 LTS. Users are advised to update to the latest package versions to mitigate the risk. The vulnerability is cataloged as CVE-2025-8709. A standard system update will address this issue across the affected versions. No active exploitation has been reported at this time.

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Timeline

2026-09-01
Vulnerability disclosed
Ubuntu announced a vulnerability in the ncurses library that could lead to denial of service.
Ubuntu
2026-09-01
Patch released
Updates for affected ncurses packages were made available for various Ubuntu versions.
Linuxsecurity

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