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PostgreSQL pg_restore_attribute_stats accepts values that cause query planning to read past end of stats array

PostgreSQL · CVE-2026-6575
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What is it?

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.

Evidence

No coverage recorded yet.

Exploitation

  • Public proof of concept
  • Exploited in the wild
  • Listed as known exploited
CVSS
4.3
EPSS
0.2%
First seen
1 d ago
Status
corroborated

All PostgreSQL vulnerabilities