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4.3 Medium

CVE-2026-6575 Buffer over-read in PostgreSQL function pg_restore_attribute_stats() accepts array values of unmatched length, which…

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.

Affected products and versions

Product Affected versions Fixed in
postgresql 18 18 → < 18.4 18.4

References

Timeline

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