# CVE-2026-85748: mariadb123: A flaw was found in MariaDB CVE-2026-85748 is fixed in 28 products on 1 platform, first by ALAS2023-2026-3311, released November 7, 2026. It is not reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/cve/CVE-2026-85748 - Priority: High - CVSS: n/a (important) - EPSS: 0.0118 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Oct 26, 2026 ## Description A flaw was found in MariaDB. An authenticated database user with low privileges can trigger a use-after-free memory corruption condition during cursor FETCH operations involving SYS_REFCURSOR. This flaw allows an attacker to corrupt memory and hijack program execution flow, potentially leading to privilege escalation and arbitrary code execution on the host system or causing a denial of service (DoS) by crashing the database server. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | mariadb123 amzn 2023 | 3:12.3.3-2.amzn2023.0.1 | [ALAS2023-2026-3311](https://patchblox.com/security/data/fix/linux/alas2023-2026-3311.md) | Nov 7, 2026 | | Linux | mariadb123-backup amzn 2023 | 3:12.3.3-2.amzn2023.0.1 | [ALAS2023-2026-3311](https://patchblox.com/security/data/fix/linux/alas2023-2026-3311.md) | Nov 7, 2026 | | Linux | mariadb123-backup-debuginfo amzn 2023 | 3:12.3.3-2.amzn2023.0.1 | [ALAS2023-2026-3311](https://patchblox.com/security/data/fix/linux/alas2023-2026-3311.md) | Nov 7, 2026 | | Linux | mariadb123-client-utils amzn 2023 | 3:12.3.3-2.amzn2023.0.1 | [ALAS2023-2026-3311](https://patchblox.com/security/data/fix/linux/alas2023-2026-3311.md) | Nov 7, 2026 | | Linux | mariadb123-common amzn 2023 | 3:12.3.3-2.amzn2023.0.1 | [ALAS2023-2026-3311](https://patchblox.com/security/data/fix/linux/alas2023-2026-3311.md) | Nov 7, 2026 | | Linux | mariadb123-connect-engine amzn 2023 | 3:12.3.3-2.amzn2023.0.1 | [ALAS2023-2026-3311](https://patchblox.com/security/data/fix/linux/alas2023-2026-3311.md) | Nov 7, 2026 | | Linux | mariadb123-connect-engine-debuginfo amzn 2023 | 3:12.3.3-2.amzn2023.0.1 | [ALAS2023-2026-3311](https://patchblox.com/security/data/fix/linux/alas2023-2026-3311.md) | Nov 7, 2026 | | Linux | mariadb123-cracklib-password-check amzn 2023 | 3:12.3.3-2.amzn2023.0.1 | [ALAS2023-2026-3311](https://patchblox.com/security/data/fix/linux/alas2023-2026-3311.md) | Nov 7, 2026 | | Linux | mariadb123-cracklib-password-check-debuginfo amzn 2023 | 3:12.3.3-2.amzn2023.0.1 | [ALAS2023-2026-3311](https://patchblox.com/security/data/fix/linux/alas2023-2026-3311.md) | Nov 7, 2026 | | Linux | mariadb123-debuginfo amzn 2023 | 3:12.3.3-2.amzn2023.0.1 | [ALAS2023-2026-3311](https://patchblox.com/security/data/fix/linux/alas2023-2026-3311.md) | Nov 7, 2026 | | Linux | mariadb123-debugsource amzn 2023 | 3:12.3.3-2.amzn2023.0.1 | [ALAS2023-2026-3311](https://patchblox.com/security/data/fix/linux/alas2023-2026-3311.md) | Nov 7, 2026 | | Linux | mariadb123-devel amzn 2023 | 3:12.3.3-2.amzn2023.0.1 | [ALAS2023-2026-3311](https://patchblox.com/security/data/fix/linux/alas2023-2026-3311.md) | Nov 7, 2026 | | Linux | mariadb123-errmsg amzn 2023 | 3:12.3.3-2.amzn2023.0.1 | [ALAS2023-2026-3311](https://patchblox.com/security/data/fix/linux/alas2023-2026-3311.md) | Nov 7, 2026 | | Linux | mariadb123-gssapi-server amzn 2023 | 3:12.3.3-2.amzn2023.0.1 | [ALAS2023-2026-3311](https://patchblox.com/security/data/fix/linux/alas2023-2026-3311.md) | Nov 7, 2026 | | Linux | mariadb123-gssapi-server-debuginfo amzn 2023 | 3:12.3.3-2.amzn2023.0.1 | [ALAS2023-2026-3311](https://patchblox.com/security/data/fix/linux/alas2023-2026-3311.md) | Nov 7, 2026 | | Linux | mariadb123-oqgraph-engine amzn 2023 | 3:12.3.3-2.amzn2023.0.1 | [ALAS2023-2026-3311](https://patchblox.com/security/data/fix/linux/alas2023-2026-3311.md) | Nov 7, 2026 | | Linux | mariadb123-oqgraph-engine-debuginfo amzn 2023 | 3:12.3.3-2.amzn2023.0.1 | [ALAS2023-2026-3311](https://patchblox.com/security/data/fix/linux/alas2023-2026-3311.md) | Nov 7, 2026 | | Linux | mariadb123-pam amzn 2023 | 3:12.3.3-2.amzn2023.0.1 | [ALAS2023-2026-3311](https://patchblox.com/security/data/fix/linux/alas2023-2026-3311.md) | Nov 7, 2026 | | Linux | mariadb123-pam-debuginfo amzn 2023 | 3:12.3.3-2.amzn2023.0.1 | [ALAS2023-2026-3311](https://patchblox.com/security/data/fix/linux/alas2023-2026-3311.md) | Nov 7, 2026 | | Linux | mariadb123-rocksdb-engine amzn 2023 | 3:12.3.3-2.amzn2023.0.1 | [ALAS2023-2026-3311](https://patchblox.com/security/data/fix/linux/alas2023-2026-3311.md) | Nov 7, 2026 | | Linux | mariadb123-rocksdb-engine-debuginfo amzn 2023 | 3:12.3.3-2.amzn2023.0.1 | [ALAS2023-2026-3311](https://patchblox.com/security/data/fix/linux/alas2023-2026-3311.md) | Nov 7, 2026 | | Linux | mariadb123-server amzn 2023 | 3:12.3.3-2.amzn2023.0.1 | [ALAS2023-2026-3311](https://patchblox.com/security/data/fix/linux/alas2023-2026-3311.md) | Nov 7, 2026 | | Linux | mariadb123-server-debuginfo amzn 2023 | 3:12.3.3-2.amzn2023.0.1 | [ALAS2023-2026-3311](https://patchblox.com/security/data/fix/linux/alas2023-2026-3311.md) | Nov 7, 2026 | | Linux | mariadb123-server-utils amzn 2023 | 3:12.3.3-2.amzn2023.0.1 | [ALAS2023-2026-3311](https://patchblox.com/security/data/fix/linux/alas2023-2026-3311.md) | Nov 7, 2026 | | Linux | mariadb123-sphinx-engine amzn 2023 | 3:12.3.3-2.amzn2023.0.1 | [ALAS2023-2026-3311](https://patchblox.com/security/data/fix/linux/alas2023-2026-3311.md) | Nov 7, 2026 | | Linux | mariadb123-sphinx-engine-debuginfo amzn 2023 | 3:12.3.3-2.amzn2023.0.1 | [ALAS2023-2026-3311](https://patchblox.com/security/data/fix/linux/alas2023-2026-3311.md) | Nov 7, 2026 | | Linux | mariadb123-test amzn 2023 | 3:12.3.3-2.amzn2023.0.1 | [ALAS2023-2026-3311](https://patchblox.com/security/data/fix/linux/alas2023-2026-3311.md) | Nov 7, 2026 | | Linux | mariadb123-test-debuginfo amzn 2023 | 3:12.3.3-2.amzn2023.0.1 | [ALAS2023-2026-3311](https://patchblox.com/security/data/fix/linux/alas2023-2026-3311.md) | Nov 7, 2026 | --- Data as of 2026-11-11T19:49:26Z UTC. 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