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Vulnerability Details :

CVE-2026-2005

Summary
Assigner-PostgreSQL
Assigner Org ID-f86ef6dc-4d3a-42ad-8f28-e6d5547a5007
Published At-12 Feb, 2026 | 13:00
Updated At-12 Feb, 2026 | 14:32
Rejected At-
Credits

PostgreSQL pgcrypto heap buffer overflow executes arbitrary code

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.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
â–¼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:PostgreSQL
Assigner Org ID:f86ef6dc-4d3a-42ad-8f28-e6d5547a5007
Published At:12 Feb, 2026 | 13:00
Updated At:12 Feb, 2026 | 14:32
Rejected At:
â–¼CVE Numbering Authority (CNA)
PostgreSQL pgcrypto heap buffer overflow executes arbitrary code

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.

Affected Products
Vendor
n/a
Product
PostgreSQL
Default Status
unaffected
Versions
Affected
  • From 18 before 18.2 (rpm)
  • From 17 before 17.8 (rpm)
  • From 16 before 16.12 (rpm)
  • From 15 before 15.16 (rpm)
  • From 0 before 14.21 (rpm)
Problem Types
TypeCWE IDDescription
CWECWE-122Heap-based Buffer Overflow
Type: CWE
CWE ID: CWE-122
Description: Heap-based Buffer Overflow
Metrics
VersionBase scoreBase severityVector
3.18.8HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Version: 3.1
Base score: 8.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations

attacker has permission to install pgcrypto or pass arbitrary ciphertext to an already-installed pgcrypto

Workarounds
Exploits
Credits
The PostgreSQL project thanks Team Xint Code, as part of zeroday.cloud, for reporting this problem.
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.postgresql.org/support/security/CVE-2026-2005/
N/A
Hyperlink: https://www.postgresql.org/support/security/CVE-2026-2005/
Resource: N/A
â–¼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
â–¼National Vulnerability Database (NVD)
nvd.nist.gov
Source:f86ef6dc-4d3a-42ad-8f28-e6d5547a5007
Published At:12 Feb, 2026 | 14:16
Updated At:12 Feb, 2026 | 15:10

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.18.8HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Type: Secondary
Version: 3.1
Base score: 8.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-122Secondaryf86ef6dc-4d3a-42ad-8f28-e6d5547a5007
CWE ID: CWE-122
Type: Secondary
Source: f86ef6dc-4d3a-42ad-8f28-e6d5547a5007
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://www.postgresql.org/support/security/CVE-2026-2005/f86ef6dc-4d3a-42ad-8f28-e6d5547a5007
N/A
Hyperlink: https://www.postgresql.org/support/security/CVE-2026-2005/
Source: f86ef6dc-4d3a-42ad-8f28-e6d5547a5007
Resource: N/A

Change History

0
Information is not available yet

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