What is CVE-2018-7485?

CVE-2018-7485 is a critical-severity vulnerability in Unixodbc, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2018-02-26.

How severe is CVE-2018-7485?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Unixodbc

CVE-2018-7485

The SQLWriteFileDSN function in odbcinst/SQLWriteFileDSN.c in unixODBC 2.3.5 has strncpy arguments in the wrong order, which allows attackers to cause a denial of service or possibly have unspecified other impact.

Vulnerability class: Buffer Overflow

Published 2018-02-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.030 (87.0th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.030 · newest: 0.030 · change: 0.000

Affected products

Unixodbc — versions 2.3.5

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

github.com/lurcher/unixODBC/commit/45ef78e037f578b15fc58938a3a3251655e71d6f (Patch)
www.securityfocus.com/bid/103193 (VDB Entry, Third Party Advisory, vdb-entry)
access.redhat.com/errata/RHSA-2019:2336 (vendor-advisory)

Frequently asked questions

What is CVE-2018-7485?: CVE-2018-7485 is a critical-severity vulnerability in Unixodbc, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2018-02-26.
How severe is CVE-2018-7485?: Critical severity. CVSS v3 base score is 9.8 out of 10.