Description
The (1) brin_page_type and (2) brin_metapage_info functions in the pageinspect extension in PostgreSQL before 9.5.x before 9.5.2 allows attackers to bypass intended access restrictions and consequently obtain sensitive server memory information or cause a denial of service (server crash) via a crafted bytea value in a BRIN index page.
Remediation
References
Related Vulnerabilities
Piwigo Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2017-10679)
Moodle Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2019-3848)
Drupal Core 4.5.x Cross-Site Scripting (4.5.0 - 4.5.7)