Integer overflow in Sqlite

CVE-2025-29087

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 m…

Vulnerability class: Integer Overflow

EPSS: 0.005 (36.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.2 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-29087?
CVE-2025-29087 is a low-severity vulnerability in Sqlite, classified under Integer Overflow or Wraparound. CVSS score: 3.2/10. Published 2025-04-07.
How severe is CVE-2025-29087?
Low severity. CVSS v3 base score is 3.2 out of 10.
Is CVE-2025-29087 known to be exploited?
7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.