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QSN-8841-1: Perl DBI module vulnerabilities
September 29, 2026
Summary
Perl DBI module could be made to crash or run programs as your login if it opened a specially crafted file.
Details
It was discovered that the Perl DBI module did not correctly handle certain integer arithmetic operations. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-73193, CVE-2026-73194)
Affected QuantaStor releases
| Release | Platform | Package | Exposure | Shipped version | Fixed version | Status |
|---|---|---|---|---|---|---|
| 6.9.1.001 | Ubuntu 22.04 LTS | libdbi-perl | Internally-facing | 1.643-3ubuntu0.4 | 1.643-3ubuntu0.3 | Fixed in this release |
| 6.9.0.464 | Ubuntu 22.04 LTS | libdbi-perl | Internally-facing | 1.643-3ubuntu0.4 | 1.643-3ubuntu0.3 | Fixed in this release |
| 6.8.6.015 | Ubuntu 22.04 LTS | libdbi-perl | Internally-facing | 1.643-3ubuntu0.1 | 1.643-3ubuntu0.3 | Fixed by QuantaStor security update |
| 6.8.5.018 | Ubuntu 22.04 LTS | libdbi-perl | Internally-facing | 1.643-3ubuntu0.1 | 1.643-3ubuntu0.3 | Fixed by QuantaStor security update |
| 6.8.4.038 | Ubuntu 22.04 LTS | libdbi-perl | Internally-facing | 1.643-3ubuntu0.1 | 1.643-3ubuntu0.3 | Fixed by QuantaStor security update |
| 6.8.3.018 | Ubuntu 22.04 LTS | libdbi-perl | Internally-facing | 1.643-3ubuntu0.1 | 1.643-3ubuntu0.3 | Fixed by QuantaStor security update |
| 6.8.2.002 | Ubuntu 22.04 LTS | libdbi-perl | Internally-facing | 1.643-3build3 | 1.643-3ubuntu0.3 | Fixed by QuantaStor security update |
| 6.8.1.007 | Ubuntu 22.04 LTS | libdbi-perl | Internally-facing | 1.643-3ubuntu0.1 | 1.643-3ubuntu0.3 | Fixed by QuantaStor security update |
| 6.8.0.205 | Ubuntu 22.04 LTS | libdbi-perl | Internally-facing | 1.643-3ubuntu0.1 | 1.643-3ubuntu0.3 | Fixed 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-2026-73194, CVE-2026-73193
References
https://ubuntu.com/security/notices/USN-8841-1
https://nvd.nist.gov/vuln/detail/CVE-2026-73194
https://nvd.nist.gov/vuln/detail/CVE-2026-73193
Update
Fixes marked Fixed by QuantaStor security update are applied by upgrading QuantaStor with security patches included (Upgrade Manager). Fixed package versions:
| Platform | Package | Version |
|---|---|---|
| bionic | libdbi-perl | 1.640-1ubuntu0.3+esm3 |
| Ubuntu 20.04 LTS | libdbi-perl | 1.643-1ubuntu0.1+esm3 |
| Ubuntu 22.04 LTS | libdbi-perl | 1.643-3ubuntu0.3 |
| Ubuntu 24.04 LTS | libdbi-perl | 1.643-4ubuntu0.3 |
| resolute | libdbi-perl | 1.647-1ubuntu0.26.04.3 |
| trusty | libdbi-perl | 1.630-1ubuntu0.1~esm8 |
| xenial | libdbi-perl | 1.634-1ubuntu0.2+esm4 |
