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CVE-2026-2006

PostgreSQL missing validation of multibyte character length executes arbitrary code PUBLISHED

Description (CNA)

Missing validation of multibyte character length in PostgreSQL text manipulation allows a database user to issue crafted queries that achieve a buffer overrun. That suffices to execute arbitrary code as the operating system user running the database. Versions before PostgreSQL 18.2, 17.8, 16.12, 15.16, and 14.21 are affected.

Affected (CNA)

Vendor / productVersions
n/a / PostgreSQLaffected 18 before 18.2; affected 17 before 17.8; affected 16 before 16.12; affected 15 before 15.16; affected 0 before 14.21

CWE

CWE-129

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.

redhat-SADP

Missing validation of multibyte character length in PostgreSQL text manipulation allows a database user to issue crafted queries that achieve a buffer overrun. That suffices to execute arbitrary code as the operating system user running the database.