CVE-2025-29087 in SQLite 3.46.*

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.

Severity

High 7.5

Exploitation

1% chance of exploit
in the next 30 days

Fix

Update to 3.49.1

Where

Test dependency

How it matched

Version line match

First seen

2026-11-05 01:13:58 UTC

Source

https://nvd.nist.gov/vuln/detail/CVE-2025-29087