CVE-2026-14679
PostgreSQL stack buffer overflow in argument match writes 0x0 and 0x1 to server memory
CVSS Score
8.2
EPSS Score
0.0%
EPSS Percentile
0th
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 18.5, 17.11, 16.15, 15.19, and 14.24 are affected.
| CWE | CWE-121 |
| Vendor | n/a |
| Product | postgresql |
| Ecosystems | |
| Industries | Technology |
| Published | Aug 13, 2026 |
Stay Ahead of the Next One
Get instant alerts for n/a postgresql
Be the first to know when new high vulnerabilities affecting n/a postgresql are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
n/a / PostgreSQL
18 < 18.5 17 < 17.11 16 < 16.15 15 < 15.19 0 < 14.24
References
Credits
The PostgreSQL project thanks Zheng Yu (DepthFirst AI) and ylwangtju for reporting this problem.