CVE-2012-4857

CVE-2012-4857 is a critical-severity vulnerability in Ibm Informix Dynamic Server with a CVSS 2.0 base score of 9.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Description

Buffer overflow in IBM Informix 11.50 through 11.50.xC9W2 and 11.70 before 11.70.xC7 allows remote authenticated users to execute arbitrary code via a crafted SQL statement.

Frequently asked questions

What is CVE-2012-4857?
Buffer overflow in IBM Informix 11.50 through 11.50.xC9W2 and 11.70 before 11.70.xC7 allows remote authenticated users to execute arbitrary code via a crafted SQL statement.
How severe is CVE-2012-4857?
CVE-2012-4857 has a CVSS 2.0 base score of 9.0, rated critical severity.
Is CVE-2012-4857 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-4857?
CVE-2012-4857 primarily affects Ibm Informix Dynamic Server. In total, 30 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-4857?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2012-4857 published?
CVE-2012-4857 was published on 2012-12-08 and last updated on 2026-06-16.

References

Affected products (30)

More vulnerabilities in Ibm Informix Dynamic Server

All CVEs affecting Ibm Informix Dynamic Server →

Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities

Browse all CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities →