🛡️ CVE-2026-2005 on Debian — postgresql-13

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

Distribution advisory

This page covers CVE-2026-2005 as tracked by Debian, for the package postgresql-13. The fix is available in version 13.23-0+deb11u2; earlier versions remain affected.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Affected software

DEBIAN-CVE-2026-2005 is recorded against 4 packages.

  • postgresql-13 (fixed in 13.23-0+deb11u2)
  • postgresql-15 (fixed in 15.16-0+deb12u1)
  • postgresql-17 (fixed in 17.8-0+deb13u1)
  • postgresql-18 (fixed in 18.2-1)

Timeline and source

Published on 12 February 2026 and last revised on 4 August 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

security-tracker.debian.org (Advisory)

CVE-2026-2005 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity Unknown
CVSS Score N/A
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2026-02-12
Updated 2026-08-11
Modified 2026-08-04
Fix URL N/A

Affected Packages

Software From version Fixed in
postgresql-13 — 13.23-0+deb11u2
postgresql-15 — 15.16-0+deb12u1
postgresql-17 — 17.8-0+deb13u1
postgresql-18 — 18.2-1

Similar Threats

Site Security Check

Is postgresql-13 part of your stack?

DEBIAN-CVE-2026-2005 is rated CVSS 8.0 High. BotEraser scans your installation against known CVE records and tells you whether this vulnerability applies to the versions you actually run.

Scan My Site Free →

No credit card required  ·  Results in minutes

ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.