CVE-2026-2005 — Heap-based Buffer Overflow in Postgresql
Severity
8.8HIGHNVD
OSV4.3
EPSS
0.0%
top 92.31%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedFeb 12
Latest updateMar 4
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9
Affected Packages7 packages
🔴Vulnerability Details
4OSV▶
CVE-2026-2005: Heap buffer overflow in PostgreSQL pgcrypto allows a ciphertext provider to execute arbitrary code as the operating system user running the database↗2026-02-12
GHSA▶
GHSA-hgmp-6hmc-prfc: Heap buffer overflow in PostgreSQL pgcrypto allows a ciphertext provider to execute arbitrary code as the operating system user running the database↗2026-02-12
📋Vendor Advisories
4Debian▶
CVE-2026-2005: postgresql-13 - Heap buffer overflow in PostgreSQL pgcrypto allows a ciphertext provider to exec...↗2026