CVE-2026-2005

Advisory lineage Upstream: 0 Downstream: 65
Analyzed
Published: 12 Feb 2026, 13:00
Last modified:26 Feb 2026, 14:44

Vulnerability Summary

Overall Risk (default)
medium
35/100
CVSS Score
8.8 HIGH
v3.1 (cve.org)
EPSS Score
0.04% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

12 Feb 2026, 13:00
Published
Vulnerability first disclosed
26 Feb 2026, 14:44
Last Modified
Vulnerability information updated

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 Metrics

  • v3.1•HIGH•Score: 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Trends

Current EPSS score: 0.04%• Percentile: 12%

Techniques & Countermeasures

  • CWE-122•Heap-based Buffer Overflow

    A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

Affected Systems

  • postgresql•postgresql

    ≥ 14.0, < 14.21 | ≥ 15.0, < 15.16 | ≥ 16.0, < 16.12 | ≥ 17.0, < 17.8 | ≥ 18.0, < 18.2

References (1)