CVE-2026-15742
- ULN >
- Oracle Linux CVE repository >
- CVE-2026-15742
CVE Details
| Release Date: | 2026-08-13 | |
| Impact: | Important | What is this? |
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.
See more information about CVE-2026-15742 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS metrics and score provided are preliminary and subject to review.
CVSS v3 metrics
| Base Score: | 7.5 |
| Vector String: | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| Version: | 3.1 |
| Attack Vector: | Network |
| Attack Complexity: | High |
| Privileges Required: | Low |
| User Interaction: | None |
| Scope: | Unchanged |
| Confidentiality Impact: | High |
| Integrity Impact: | High |
| Availability Impact: | High |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 10 (postgresql16) | ELSA-2026-70186 | 2026-09-23 |
| Oracle Linux version 10 (postgresql18) | ELSA-2026-67280-0 | 2026-09-15 |
| Oracle Linux version 8 (pg_repack) | ELSA-2026-69876 | 2026-09-23 |
| Oracle Linux version 8 (pg_repack) | ELSA-2026-69923 | 2026-09-23 |
| Oracle Linux version 8 (pgaudit) | ELSA-2026-69876 | 2026-09-23 |
| Oracle Linux version 8 (pgaudit) | ELSA-2026-69923 | 2026-09-23 |
| Oracle Linux version 8 (postgres-decoderbufs) | ELSA-2026-69876 | 2026-09-23 |
| Oracle Linux version 8 (postgres-decoderbufs) | ELSA-2026-69923 | 2026-09-23 |
| Oracle Linux version 8 (postgresql) | ELSA-2026-69876 | 2026-09-23 |
| Oracle Linux version 8 (postgresql) | ELSA-2026-69923 | 2026-09-23 |
| Oracle Linux version 8 (postgresql) | ELSA-2026-69924 | 2026-09-23 |
| Oracle Linux version 9 (pg_repack) | ELSA-2026-67491 | 2026-09-16 |
| Oracle Linux version 9 (pg_repack) | ELSA-2026-67848 | 2026-09-16 |
| Oracle Linux version 9 (pg_repack) | ELSA-2026-69914 | 2026-09-23 |
| Oracle Linux version 9 (pgaudit) | ELSA-2026-67491 | 2026-09-16 |
| Oracle Linux version 9 (pgaudit) | ELSA-2026-67848 | 2026-09-16 |
| Oracle Linux version 9 (pgaudit) | ELSA-2026-69914 | 2026-09-23 |
| Oracle Linux version 9 (pgvector) | ELSA-2026-67491 | 2026-09-16 |
| Oracle Linux version 9 (pgvector) | ELSA-2026-67848 | 2026-09-16 |
| Oracle Linux version 9 (postgis) | ELSA-2026-67491 | 2026-09-16 |
| Oracle Linux version 9 (postgis) | ELSA-2026-67848 | 2026-09-16 |
| Oracle Linux version 9 (postgres-decoderbufs) | ELSA-2026-67491 | 2026-09-16 |
| Oracle Linux version 9 (postgres-decoderbufs) | ELSA-2026-67848 | 2026-09-16 |
| Oracle Linux version 9 (postgres-decoderbufs) | ELSA-2026-69914 | 2026-09-23 |
| Oracle Linux version 9 (postgresql) | ELSA-2026-67491 | 2026-09-16 |
| Oracle Linux version 9 (postgresql) | ELSA-2026-67848 | 2026-09-16 |
| Oracle Linux version 9 (postgresql) | ELSA-2026-69607 | 2026-09-23 |
| Oracle Linux version 9 (postgresql) | ELSA-2026-69914 | 2026-09-23 |
This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections:
- Oracle customers - enter a support request
- Vulnerability scanning tools vendors and project maintainers - follow the standard ISV process
