CVE-2026-6575 PostgreSQL pg_restore_attribute_stats accepts values that cause query planning to read past end of stats array

What is CVE-2026-6575?

CVE-2026-6575 is a medium-severity vulnerability in Postgresql Postgresql, published on 14 May 2026.

Official description

Buffer over-read in PostgreSQL function pg_restore_attribute_stats() accepts array values of unmatched length, which causes query planning to read past end of one array. This allows a table maintainer to infer memory values past that array end. Within major version 18, minor versions before PostgreSQL 18.4 are affected. Versions before PostgreSQL 18 are unaffected.

Weakness: CWE-126

Which versions are affected by CVE-2026-6575?

1 open source package ship an affected version, including postgresql. It affects 1 product.

Products include Postgresql Postgresql.

How do I fix CVE-2026-6575?

Upgrade postgresql to 18.4.0 or later.

Is CVE-2026-6575 being exploited?

There is no known exploitation of CVE-2026-6575 in the wild and no public exploit code.

Other vulnerabilities in Postgresql Postgresql

• CVE-2013-1902 Information disclosure in n/a Critical 10.0
• CVE-2013-1903 Information disclosure in n/a Critical 10.0
• CVE-2007-3279 Privilege escalation in n/a Critical 10.0
• CVE-2002-1399 Integer overflow in n/a Critical 10.0
• CVE-2016-3065 Information disclosure in n/a Critical 9.1

All Postgresql Postgresql vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2026-6575, BELL-CVE-2026-6575, BIT-postgresql-2026-6575, DEBIAN-CVE-2026-6575, GHSA-f8xc-gmqx-v9fh, MINI-58x2-2hjp-qj87 and 1 more.