Vulnerability Description
Integer wraparound in PostgreSQL fuzzystrmatch allows a user to direct writes to a huge range of addresses, executing arbitrary code as the operating system user running the database, via extreme inputs to SQL function levenshtein() or levenshtein_less_equal(). Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Postgresql | Postgresql | >= 14.0, < 14.24 |
Related Weaknesses (CWE)
References
- https://www.postgresql.org/support/security/CVE-2026-15742/Vendor Advisory
FAQ
What is CVE-2026-15742?
CVE-2026-15742 is a vulnerability with a CVSS score of 8.8 (HIGH). Integer wraparound in PostgreSQL fuzzystrmatch allows a user to direct writes to a huge range of addresses, executing arbitrary code as the operating system user running the database, via extreme inpu...
How severe is CVE-2026-15742?
CVE-2026-15742 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-15742?
Check the references section above for vendor advisories and patch information. Affected products include: Postgresql Postgresql.