psqlodbc: Integer wraparound in psqlODBC SQLBindParameter allows an application, or an attacker who controls how many parameter...
CVE-2026-109448 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2026-109448, released October 16, 2026. It is not reported as exploited. Patch Radar priority: Routine.
Integer wraparound in psqlODBC SQLBindParameter allows an application, or an attacker who controls how many parameters the application binds on one statement, to corrupt heap memory. psqlODBC stores the binding count in a signed 16-bit field. Binding parameter number 32768 wraps that count to -32768. Binding parameter 32769 then writes about 2.5 MB of zeros starting 1.25 MB before the binding array, which crashes the application or leaves it running on a corrupted heap. Applications that build parameter lists from untrusted input, such as an IN (?, ?, ...) list, are exposed. Versions before psqlODBC 18.00.0005 are affected.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| psqlODBC · opensuse-leap 16.0 | 18.00.0005-bp160.1.1 | OPENSUSE-SU-2026:22122-1 | Nov 7, 2026 |
| psqlodbc · Debian 14 | 1:18.00.0005-1 | DEBIAN-CVE-2026-109448 | Oct 16, 2026 |
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