What is CVE-2023-34364?

CVE-2023-34364 is a critical-severity vulnerability in Progress Datadirect Odbc Oracle Wire Protocol Driver, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2023-06-09.

How severe is CVE-2023-34364?

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

Buffer overflow in Progress Datadirect Odbc Oracle Wire Protocol Driver

CVE-2023-34364

A buffer overflow was discovered in Progress DataDirect Connect for ODBC before 08.02.2770 for Oracle. An overly large value for certain options of a connection string may overrun the buffer allocated to process the string value. This allows an attacker to execute code of their choice on an affected host by copying carefully selected data that will be executed as code.

Vulnerability class: Buffer Overflow

Published 2023-06-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.016 (74.9th percentile), scored 2026-10-04.

Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 74.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000

Affected products

Progress Datadirect Odbc Oracle Wire Protocol Driver

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

progress.com (Product)
community.progress.com/s/article/Security-vulnerabilities-in-DataDirect-ODBC-Or… (Vendor Advisory)

Frequently asked questions

What is CVE-2023-34364?: CVE-2023-34364 is a critical-severity vulnerability in Progress Datadirect Odbc Oracle Wire Protocol Driver, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2023-06-09.
How severe is CVE-2023-34364?: Critical severity. CVSS v3 base score is 9.8 out of 10.