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Vulnerability record · CVE-2025-29087 · published 7 April 2025

CVE-2025-29087: Sqlite integer overflow vulnerability

Sqlite · Sqlite

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.

7.5 CVSS 3.1 High EPSS 0.53% · top 54.4% CWE-190 · Integer overflow
7.5CVSS 3.1 base score
0.53%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
5References
15 Oct 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://gist.github.com/ylwango613/a44a29f1ef074fa783e29f04a0afd62a Third Party Advisory
https://sqlite.org/releaselog/3_49_1.html Release Notes
https://www.sqlite.org/cves.html Vendor Advisory
https://cert-portal.siemens.com/productcert/html/ssa-398330.html
https://cert-portal.siemens.com/productcert/html/ssa-994087.html

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-29087), CISA KEV, FIRST EPSS (scores of 2026-11-14). This page is refreshed as NVD updates the record.