Vulnerability DatabaseCVE-2026-14679
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CVE-2026-14679
Published:August 13, 2026
Updated:September 01, 2026
Stack buffer overflow in PostgreSQL argument name matching allows an object creator to achieve unknown impacts via OUT parameter count. The attack can write only 0x0 and 0x1 bytes. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.
Affected Packages
https://github.com/postgres/postgres.git (GITHUB):
Affected version(s) >=REL_14_0 <REL_14_24
Fix Suggestion:
Update to version REL_14_24
https://github.com/postgres/postgres.git (GITHUB):
Affected version(s) >=REL_18_0 <REL_18_6
Fix Suggestion:
Update to version REL_18_6
https://github.com/postgres/postgres.git (GITHUB):
Affected version(s) >=REL_17_0 <REL_17_11
Fix Suggestion:
Update to version REL_17_11
https://github.com/postgres/postgres.git (GITHUB):
Affected version(s) >=REL_15_0 <REL_15_19
Fix Suggestion:
Update to version REL_15_19
https://github.com/postgres/postgres.git (GITHUB):
Affected version(s) >=REL_16_0 <REL_16_15
Fix Suggestion:
Update to version REL_16_15
Related Resources (1)
https://www.postgresql.org/support/security/CVE-2026-14679/
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CVSS v4
Base Score:
8.8
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
LOW
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.2
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
HIGH
Weakness Type (CWE)
Stack-based Buffer Overflow
CWE-121
EPSS
Base Score:
0.29