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QSN-8709-1: ncurses vulnerability

September 1, 2026

Summary

ncurses could be made to crash if it opened a specially crafted file.

Details

It was discovered that ncurses incorrectly handled specially crafted terminfo database entries. A local attacker could possibly use this issue to cause applications using ncurses to crash, resulting in a denial of service.

Affected QuantaStor releases

ReleasePlatformPackageExposureShipped versionFixed versionStatus
6.9.1.001Ubuntu 22.04 LTSlibncurses6Internally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update
6.9.1.001Ubuntu 22.04 LTSlibncursesw6Internally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update
6.9.1.001Ubuntu 22.04 LTSlibtinfo6Internally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update
6.9.1.001Ubuntu 22.04 LTSncurses-baseInternally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update
6.9.1.001Ubuntu 22.04 LTSncurses-binInternally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update
6.9.1.001Ubuntu 22.04 LTSncurses-termInternally-facing6.3-2ubuntu0.36.3-2ubuntu0.3Fixed in this release
6.9.0.464Ubuntu 22.04 LTSlibncurses6Internally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update
6.9.0.464Ubuntu 22.04 LTSlibncursesw6Internally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update
6.9.0.464Ubuntu 22.04 LTSlibtinfo6Internally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update
6.9.0.464Ubuntu 22.04 LTSncurses-baseInternally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update
6.9.0.464Ubuntu 22.04 LTSncurses-binInternally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update
6.9.0.464Ubuntu 22.04 LTSncurses-termInternally-facing6.3-2ubuntu0.36.3-2ubuntu0.3Fixed in this release
6.8.6.015Ubuntu 22.04 LTSlibncurses6Internally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update
6.8.6.015Ubuntu 22.04 LTSlibncursesw6Internally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update
6.8.6.015Ubuntu 22.04 LTSlibtinfo6Internally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update
6.8.6.015Ubuntu 22.04 LTSncurses-baseInternally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update
6.8.6.015Ubuntu 22.04 LTSncurses-binInternally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update
6.8.6.015Ubuntu 22.04 LTSncurses-termInternally-facing6.3-2ubuntu0.36.3-2ubuntu0.3Fixed in this release
6.8.5.018Ubuntu 22.04 LTSlibncurses6Internally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update
6.8.5.018Ubuntu 22.04 LTSlibncursesw6Internally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update
6.8.5.018Ubuntu 22.04 LTSlibtinfo6Internally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update
6.8.5.018Ubuntu 22.04 LTSncurses-baseInternally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update
6.8.5.018Ubuntu 22.04 LTSncurses-binInternally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update
6.8.5.018Ubuntu 22.04 LTSncurses-termInternally-facing6.3-2ubuntu0.26.3-2ubuntu0.3Fixed by QuantaStor security update
6.8.4.038Ubuntu 22.04 LTSlibncurses6Internally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update
6.8.4.038Ubuntu 22.04 LTSlibncursesw6Internally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update
6.8.4.038Ubuntu 22.04 LTSlibtinfo6Internally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update
6.8.4.038Ubuntu 22.04 LTSncurses-baseInternally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update
6.8.4.038Ubuntu 22.04 LTSncurses-binInternally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update
6.8.4.038Ubuntu 22.04 LTSncurses-termInternally-facing6.3-2ubuntu0.26.3-2ubuntu0.3Fixed by QuantaStor security update
6.8.3.018Ubuntu 22.04 LTSlibncurses6Internally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update
6.8.3.018Ubuntu 22.04 LTSlibncursesw6Internally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update
6.8.3.018Ubuntu 22.04 LTSlibtinfo6Internally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update
6.8.3.018Ubuntu 22.04 LTSncurses-baseInternally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update
6.8.3.018Ubuntu 22.04 LTSncurses-binInternally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update
6.8.3.018Ubuntu 22.04 LTSncurses-termInternally-facing6.3-2ubuntu0.26.3-2ubuntu0.3Fixed by QuantaStor security update
6.8.2.002Ubuntu 22.04 LTSlibncurses6Internally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update
6.8.2.002Ubuntu 22.04 LTSlibncursesw6Internally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update
6.8.2.002Ubuntu 22.04 LTSlibtinfo6Internally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update
6.8.2.002Ubuntu 22.04 LTSncurses-baseInternally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update
6.8.2.002Ubuntu 22.04 LTSncurses-binInternally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update
6.8.2.002Ubuntu 22.04 LTSncurses-termInternally-facing6.3-2ubuntu0.26.3-2ubuntu0.3Fixed by QuantaStor security update
6.8.1.007Ubuntu 22.04 LTSlibncurses6Internally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update
6.8.1.007Ubuntu 22.04 LTSlibncursesw6Internally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update
6.8.1.007Ubuntu 22.04 LTSlibtinfo6Internally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update
6.8.1.007Ubuntu 22.04 LTSncurses-baseInternally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update
6.8.1.007Ubuntu 22.04 LTSncurses-binInternally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update
6.8.1.007Ubuntu 22.04 LTSncurses-termInternally-facing6.3-2ubuntu0.26.3-2ubuntu0.3Fixed by QuantaStor security update
6.8.0.205Ubuntu 22.04 LTSlibncurses6Internally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update
6.8.0.205Ubuntu 22.04 LTSlibncursesw6Internally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update
6.8.0.205Ubuntu 22.04 LTSlibtinfo6Internally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update
6.8.0.205Ubuntu 22.04 LTSncurses-baseInternally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update
6.8.0.205Ubuntu 22.04 LTSncurses-binInternally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update
6.8.0.205Ubuntu 22.04 LTSncurses-termInternally-facing6.3-2ubuntu0.16.3-2ubuntu0.3Fixed by QuantaStor security update

Internally-facing: only accessible when logged into the QuantaStor console/ssh as the qadmin administrative sudo user; generally lower priority. Externally-facing: part of a service the storage platform presents on the network (or the kernel), so potentially reachable over the network.

CVEs

CVE-2025-6141

References

https://ubuntu.com/security/notices/USN-8709-1

https://nvd.nist.gov/vuln/detail/CVE-2025-6141

Update

Fixes marked Fixed by QuantaStor security update are applied by upgrading QuantaStor with security patches included (Upgrade Manager). Fixed package versions:

PlatformPackageVersion
bionicncurses6.1-1ubuntu1.18.04.1+esm4
Ubuntu 20.04 LTSncurses6.2-0ubuntu2.1+esm2
Ubuntu 22.04 LTSncurses6.3-2ubuntu0.3
Ubuntu 24.04 LTSncurses6.4+20240113-1ubuntu2.2
trustyncurses5.9+20140118-1ubuntu1+esm7
xenialncurses6.0+20160213-1ubuntu1+esm7