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CVE-2023-39417

high

IN THE EXTENSION SCRIPT, a SQL Injection vulnerability was found in PostgreSQL if it uses @extowner@, @extschema@, or @extschema:...@ inside a quoting construc…

Vendor / product: Postgresql — postgresql

IN THE EXTENSION SCRIPT, a SQL Injection vulnerability was found in PostgreSQL if it uses @extowner@, @extschema@, or @extschema:...@ inside a quoting construct (dollar quoting, '', or ""). If an administrator has installed files of a vulnerable, trusted, non-bundled extension, an attacker with database-level CREATE privilege can execute arbitrary code as the bootstrap superuser.

CVSS
8.8
8.8 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2023-08-11 13:15
Modified: 2026-11-01 04:18
NVD status: Modified
Last synced 17 hours ago
Verified against the source API 2026-11-01 04:33 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

postgresql / postgresql ≥11.0 <11.21, ≥12.0 <12.16, ≥13.0 <13.12, ≥14.0 <14.9, ≥15.0 <15.4
redhat / software_collections all versions
redhat / enterprise_linux 8.0, 9.0
debian / debian_linux 8.0, 11.0, 12.0

Weakness classification (CWE)

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

Mitigation & advisories

Vendor advisory: https://www.postgresql.org/support/security/CVE-2023-39417
Vendor advisory: https://www.postgresql.org/support/security/CVE-2023-39417

References

Data sources

NVD CVE API 2.0 — fetched 2026-11-01 04:33 UTC · record ↗

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