HIGH 8.8 NVD

CVE-2026-14677

Integer wraparound in PostgreSQL 32-bit builds of pltcl and plperl allows an object creator to cause the server to undersize an allocation and write out-of-boun

Integer wraparound in PostgreSQL 32-bit builds of pltcl and plperl allows an object creator to cause the server to undersize an allocation and write out-of-bounds via crafted function bodies. This may execute arbitrary code as the operating system user running the database. CVE-2026-6473 had fixed similar problems. Versions before PostgreSQL 18.5, 17.11, 16.15, 15.19, and 14.24 are affected.

References

https://www.postgresql.org/support/security/CVE-2026-14677/

Published: 2026-08-13 · Source: NVD · Feed updated: 2026-08-13

This high severity vulnerability with a CVSS score of 8.8 was published on 2026-08-13 via NVD.

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