CVE-2025-29087

Description

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.

Weakness classification

• cve@mitre.org: CWE-190
• nvd@nist.gov: CWE-190

Primary references

• cve@mitre.org — Third Party Advisory
• cve@mitre.org — Release Notes
• cve@mitre.org — Vendor Advisory
• 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
• 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e