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QSN-8862-1: libXpm vulnerability

October 1, 2026

Summary

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

Details

It was discovered that libXpm did not correctly handle XPM images with zero-dimension values. A local attacker could possibly use this issue to cause libXpm to use excessive resources, leading to a denial of service.

Affected QuantaStor releases

ReleasePlatformPackageExposureShipped versionFixed versionStatus
6.9.1.001Ubuntu 22.04 LTSlibxpm4Internally-facing1:3.5.12-1ubuntu0.22.04.41:3.5.12-1ubuntu0.22.04.4Fixed in this release
6.9.0.464Ubuntu 22.04 LTSlibxpm4Internally-facing1:3.5.12-1ubuntu0.22.04.41:3.5.12-1ubuntu0.22.04.4Fixed in this release
6.8.6.015Ubuntu 22.04 LTSlibxpm4Internally-facing1:3.5.12-1ubuntu0.22.04.31:3.5.12-1ubuntu0.22.04.4Fixed by QuantaStor security update
6.8.5.018Ubuntu 22.04 LTSlibxpm4Internally-facing1:3.5.12-1ubuntu0.22.04.31:3.5.12-1ubuntu0.22.04.4Fixed by QuantaStor security update
6.8.4.038Ubuntu 22.04 LTSlibxpm4Internally-facing1:3.5.12-1ubuntu0.22.04.31:3.5.12-1ubuntu0.22.04.4Fixed by QuantaStor security update
6.8.3.018Ubuntu 22.04 LTSlibxpm4Internally-facing1:3.5.12-1ubuntu0.22.04.31:3.5.12-1ubuntu0.22.04.4Fixed by QuantaStor security update
6.8.2.002Ubuntu 22.04 LTSlibxpm4Internally-facing1:3.5.12-1ubuntu0.22.04.21:3.5.12-1ubuntu0.22.04.4Fixed by QuantaStor security update
6.8.1.007Ubuntu 22.04 LTSlibxpm4Internally-facing1:3.5.12-1ubuntu0.22.04.21:3.5.12-1ubuntu0.22.04.4Fixed by QuantaStor security update
6.8.0.205Ubuntu 22.04 LTSlibxpm4Internally-facing1:3.5.12-1ubuntu0.22.04.21:3.5.12-1ubuntu0.22.04.4Fixed 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-2026-94287

References

https://ubuntu.com/security/notices/USN-8862-1

https://nvd.nist.gov/vuln/detail/CVE-2026-94287

Update

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

PlatformPackageVersion
Ubuntu 22.04 LTSlibxpm1:3.5.12-1ubuntu0.22.04.4
Ubuntu 24.04 LTSlibxpm1:3.5.17-1ubuntu0.24.04.2
resolutelibxpm1:3.5.17-1ubuntu0.26.04.2