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HIGHCVE-2026-2005Published Modified CNA PostgreSQL

CVE-2026-2005: PostgreSQL pgcrypto heap buffer overflow executes arbitrary code

Heap buffer overflow in PostgreSQL pgcrypto allows a ciphertext provider 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.

Metrics

CVSS v3.1
8.8
Severity
HIGH
Fixed in
14.21
Affected Products
1

Fix available

14.2115.1616.1217.818.2
Affected packages
  • n/a / PostgreSQL
    < 18.2 (from 18) · < 17.8 (from 17) · < 16.12 (from 16) · < 15.16 (from 15) · < 14.21 (from 0)
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
CVE-2026-2005: PostgreSQL pgcrypto heap buffer overflow executes arbitrary code | HarborGuard CVE