CVE-2026-120057 psqlODBC - Buffer Overflow

psqlODBC < 18.00.0006 contains a buffer overflow caused by copying large-object read replies without buffer size validation, letting man-in-the-middle or untrusted servers overwrite adjacent memory, exploit requires fetching any large-object column.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
View the NVD record ↗

Details

Type
Buffer Overflow
Impact
Remote Code Execution, Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
2 November 2026
Updated
3 November 2026
Weakness
CWE-120

Vendor fix

Update to version 18.00.0006 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

← All CVEs