Search: CVE-2026-14679

CVE-2026-14679 is a stack-based buffer overflow vulnerability in PostgreSQL affecting versions prior to 18.6, 17.11, 16.15, 15.19, and 14.24. The flaw occurs during argument name matching for OUT parameters, allowing an object creator to write limited bytes (0x0 and 0x1) to the stack. This vulnerability has a high severity score of 8.2 and can lead to denial of service or other impacts on availability. No known exploits are reported in the wild. A fix is implied by the version boundaries but no explicit patch links or vendor advisory content are provided.