CVE-2026-120058 psqlODBC - Out of Bounds Read/Write

psqlODBC before 18.00.0006 contains a buffer overflow caused by inconsistent column count handling in FETCH replies with UseDeclareFetch enabled, letting untrusted servers write past allocated heap memory.

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

Details

Type
Out of Bounds Read/Write
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-191

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

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