psqlodbc: psqlODBC copies the reply to a large-object read (loread) into the application's buffer using the length sent by the...
CVE-2026-120057 is fixed in psqlodbc on 1 platform by DEBIAN-CVE-2026-120057 (version 1:18.00.0006-1), released November 5, 2026. It is not reported as exploited. Patch Radar priority: High.
psqlODBC copies the reply to a large-object read (loread) into the application's buffer using the length sent by the server, without comparing it to the buffer size. A server not trusted under current SSL settings, or a man-in-the-middle, can return more bytes than the buffer holds and overwrite adjacent memory in the client process with server-chosen bytes. Fetching any large-object column is sufficient to trigger it. Versions before psqlODBC 18.00.0006 are affected.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| psqlodbc · Debian 14 | 1:18.00.0006-1 | DEBIAN-CVE-2026-120057 | Nov 5, 2026 |
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