CVE-2025-29087: Sqlite

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

In SQLite 3.44.0 through 3.49.0 before 3.49.1, the concat_ws() SQL function can cause memory to be written beyond the end of a malloc-allocated buffer. If the separator argument is attacker-controlled and has a large string (e.g., 2MB or more), an integer overflow occurs in calculating the size of the result buffer, and thus malloc may not allocate enough memory.

Affected products

• Sqlite Sqlite: from 3.44.0, before 3.49.1 (fixed in 3.49.1)

Published 2025-04-07. Last modified 2026-06-17.