Vulnerability Details CVE-2026-44171
MariaDB server is a community developed fork of MySQL server. From versions 10.6.1 to before 10.6.26, 10.11.1 to before 10.11.17, 11.4.1 to before 11.4.11, 11.8.1 to before 11.8.7, and 12.3.1, mbstream did not check for /../ in the path when unpacking the archive. A proper backup can never contain such paths, but a specially crafted archive could have caused mbstream to create files outside of the target-dir path. This issue has been patched in versions 10.6.26, 10.11.17, 11.4.11, 11.8.7, and 12.3.2.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 7.0%
CVSS Severity
CVSS v3 Score 6.3
Products affected by CVE-2026-44171
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cpe:2.3:a:mariadb:mariadb:10.11.1
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cpe:2.3:a:mariadb:mariadb:10.11.10
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cpe:2.3:a:mariadb:mariadb:10.11.11
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cpe:2.3:a:mariadb:mariadb:10.11.12
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cpe:2.3:a:mariadb:mariadb:10.11.13
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cpe:2.3:a:mariadb:mariadb:10.11.14
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cpe:2.3:a:mariadb:mariadb:10.11.15
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cpe:2.3:a:mariadb:mariadb:10.11.16
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cpe:2.3:a:mariadb:mariadb:10.11.2
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cpe:2.3:a:mariadb:mariadb:10.11.3
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cpe:2.3:a:mariadb:mariadb:10.11.4
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cpe:2.3:a:mariadb:mariadb:10.11.5
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cpe:2.3:a:mariadb:mariadb:10.11.6
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cpe:2.3:a:mariadb:mariadb:10.11.7
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cpe:2.3:a:mariadb:mariadb:10.11.8
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cpe:2.3:a:mariadb:mariadb:10.11.9
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cpe:2.3:a:mariadb:mariadb:10.6.1
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cpe:2.3:a:mariadb:mariadb:10.6.10
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cpe:2.3:a:mariadb:mariadb:10.6.11
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cpe:2.3:a:mariadb:mariadb:10.6.12
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cpe:2.3:a:mariadb:mariadb:10.6.13
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cpe:2.3:a:mariadb:mariadb:10.6.14
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cpe:2.3:a:mariadb:mariadb:10.6.15
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cpe:2.3:a:mariadb:mariadb:10.6.16
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cpe:2.3:a:mariadb:mariadb:10.6.17
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cpe:2.3:a:mariadb:mariadb:10.6.18
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cpe:2.3:a:mariadb:mariadb:10.6.19
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cpe:2.3:a:mariadb:mariadb:10.6.2
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cpe:2.3:a:mariadb:mariadb:10.6.20
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cpe:2.3:a:mariadb:mariadb:10.6.21
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cpe:2.3:a:mariadb:mariadb:10.6.22
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cpe:2.3:a:mariadb:mariadb:10.6.23
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cpe:2.3:a:mariadb:mariadb:10.6.24
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cpe:2.3:a:mariadb:mariadb:10.6.25
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cpe:2.3:a:mariadb:mariadb:10.6.3
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cpe:2.3:a:mariadb:mariadb:10.6.4
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cpe:2.3:a:mariadb:mariadb:10.6.5
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cpe:2.3:a:mariadb:mariadb:10.6.6
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cpe:2.3:a:mariadb:mariadb:10.6.7
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cpe:2.3:a:mariadb:mariadb:10.6.8
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cpe:2.3:a:mariadb:mariadb:10.6.9
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cpe:2.3:a:mariadb:mariadb:11.4.1
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cpe:2.3:a:mariadb:mariadb:11.4.10
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cpe:2.3:a:mariadb:mariadb:11.4.2
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cpe:2.3:a:mariadb:mariadb:11.4.3
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cpe:2.3:a:mariadb:mariadb:11.4.4
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cpe:2.3:a:mariadb:mariadb:11.4.5
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cpe:2.3:a:mariadb:mariadb:11.4.6
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cpe:2.3:a:mariadb:mariadb:11.4.7
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cpe:2.3:a:mariadb:mariadb:11.4.8
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cpe:2.3:a:mariadb:mariadb:11.4.9
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cpe:2.3:a:mariadb:mariadb:11.8.1
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cpe:2.3:a:mariadb:mariadb:11.8.2
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cpe:2.3:a:mariadb:mariadb:11.8.3
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cpe:2.3:a:mariadb:mariadb:11.8.4
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cpe:2.3:a:mariadb:mariadb:11.8.5
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cpe:2.3:a:mariadb:mariadb:11.8.6
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cpe:2.3:a:mariadb:mariadb:12.3.1