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Low 3.8
PostgreSQL ALTER TABLE ALTER TYPE resets extended statistics ownership
Incorrect ownership assignment in PostgreSQL ALTER TABLE ALTER TYPE command reassigns ownership of dependent statistics objects to the current user. This wrongly allows the table owner to run DROP STATISTICS and ALTER STATISTICS via this improper ownership. I…
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Low 3.8
PostgreSQL ECPG integer underflow can crash the client
Integer underflow in PostgreSQL ECPG allows a database server administrator to achieve temporary denial of service against the ECPG client via sending a bytea value lacking the mandatory prefix. The client overwrites a huge memory region with bytes outside at…
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Low 3.8
PostgreSQL amcheck does not clear untrusted search path
Untrusted search path in PostgreSQL amcheck allows a grantee of amcheck function EXECUTE privilege to execute arbitrary functions as the owners of expression indexes that depend on the search path, via setting a hostile search path before calling the amcheck …
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Low 3.1
PostgreSQL CREATE STATISTICS does not check for schema CREATE privilege
Missing authorization in PostgreSQL CREATE STATISTICS command allows a table owner to achieve denial of service against other CREATE STATISTICS users by creating in any schema. A later CREATE STATISTICS for the same name, from a user having the CREATE privile…
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Low 3.1
PostgreSQL optimizer statistics can expose sampled data within a view, partition, or child table
PostgreSQL optimizer statistics allow a user to read sampled data within a view that the user cannot access. Separately, statistics allow a user to read sampled data that a row security policy intended to hide. PostgreSQL maintains statistics for tables by sa…
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Low 3.1
PostgreSQL libpq retains an error message from man-in-the-middle
Client use of server error message in PostgreSQL allows a server not trusted under current SSL or GSS settings to furnish arbitrary non-NUL bytes to the libpq application. For example, a man-in-the-middle attacker could send a long error message that a human …
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Low 3.1
PostgreSQL pg_stats_ext and pg_stats_ext_exprs lack authorization checks
Missing authorization in PostgreSQL built-in views pg_stats_ext and pg_stats_ext_exprs allows an unprivileged database user to read most common values and other statistics from CREATE STATISTICS commands of other users. The most common values may reveal colum…
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Low 2.2
Postgresql: role pg_signal_backend can signal certain superuser processes.
A flaw was found in PostgreSQL involving the pg_cancel_backend role that signals background workers, including the logical replication launcher, autovacuum workers, and the autovacuum launcher. Successful exploitation requires a non-core extension with a less…
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Low 3.1
Postgresql: merge fails to enforce update or select row security policies
A vulnerability was found in PostgreSQL with the use of the MERGE command, which fails to test new rows against row security policies defined for UPDATE and SELECT. If UPDATE and SELECT policies forbid some rows that INSERT policies do not forbid, a user coul…
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Low 3.7
In PostgreSQL, a modified, unauthenticated server can send an unterminated string during the establishment of Kerberos …