Buffer overflow in Ibm Informix Dynamic Server

CVE-2023-28523

IBM Informix Dynamic Server 12.10 and 14.10 onsmsync is vulnerable to a heap buffer overflow, caused by improper bounds checking which could allow an attacker to execute arbitrary code. IBM X-Force ID: 250753.

Vulnerability class: Buffer Overflow

EPSS: 0.003 (20.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-28523?
CVE-2023-28523 is a high-severity vulnerability in Ibm Informix Dynamic Server, classified under Heap-based Buffer Overflow. CVSS score: 8.4/10. Published 2023-12-09.
How severe is CVE-2023-28523?
High severity. CVSS v3 base score is 8.4 out of 10.
Is CVE-2023-28523 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.