CVE-2023-39418

Published: 11 August 2023

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 could store such rows.

Notes

PostgreSQL 9.3 is end of life upstream, and no updates are
are available. Marking as deferred in -esm-main releases.
PostgreSQL 9.3 is end of life upstream, and no updates are
are available. Marking as deferred in -esm-main releases.

This only affects v15

Status

Severity score breakdown

References

• https://www.postgresql.org/support/security/CVE-2023-39418/
• https://www.postgresql.org/about/news/postgresql-154-149-1312-1216-1121-and-postgresql-16-beta-3-released-2689/
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=cb2ae5741f2458a474ed3c31458d242e678ff229 (REL_15_4)
• https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=cb2ae5741f2458a474ed3c31458d242e678ff229
• https://access.redhat.com/security/cve/CVE-2023-39418
• https://ubuntu.com/security/notices/USN-6296-1
• https://www.cve.org/CVERecord?id=CVE-2023-39418
• NVD
• Launchpad
• Debian

Bugs

• https://bugzilla.redhat.com/show_bug.cgi?id=2228112