Buffer overflow in IBM Informix Dynamic Server

CVE-2023-28527

IBM Informix Dynamic Server 12.10 and 14.10 cdr is vulnerable to a heap buffer overflow, caused by improper bounds checking which could allow a local user to cause a segmentation fault. IBM X-Force ID: 251206.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.002 (14.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 14.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-28527: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-28527?
CVE-2023-28527 is a medium-severity vulnerability in IBM Informix Dynamic Server, classified under Heap-based Buffer Overflow. CVSS score: 6.2/10. Published 2023-12-09.
How severe is CVE-2023-28527?
Medium severity. CVSS v3 base score is 6.2 out of 10.
Is CVE-2023-28527 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.