Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

Go to Calendar     Go to Press Room     Go to Newsletters subscription

Search

CVE-2026-2005

Severity CVSS v4.0:
Pending analysis
Type:
CWE-122 Heap-based Buffer Overflow
Publication date:
12/02/2026
Last modified:
20/02/2026

Description

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.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 8.80 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
8.80
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:* 14.0 (including) 14.21 (excluding)
cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:* 15.0 (including) 15.16 (excluding)
cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:* 16.0 (including) 16.12 (excluding)
cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:* 17.0 (including) 17.8 (excluding)
cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:* 18.0 (including) 18.2 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools