CVE-2026-2005 - Vulnerability Analysis

Overview

PostgreSQL < 18.2, 17.8, 16.12, 15.16, and 14.21 contains a buffer overflow caused by improper heap handling in pgcrypto, letting ciphertext providers execute arbitrary code as the OS user running the database, exploit requires ciphertext provider privileges.

Severity & Score

Impact

Ciphertext providers can execute arbitrary code as the OS user running the database, potentially leading to full system compromise.

Mitigation

Upgrade to PostgreSQL 18.2, 17.8, 16.12, 15.16, 14.21 or later.

References

• https://www.postgresql.org/support/security/CVE-2026-2005/

Social Media Activity(1 post)

TheHackerWire

@thehackerwire

Feb 12, 2026

🟠 CVE-2026-2005 - High (8.8) 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. 🔗 https://www.thehackerwire.com/vulnerability/CVE-2026-2005/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

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