Denial of Service Vulnerability in IBM Informix Dynamic Server
CVE-2025-1991

7.5HIGH

Key Information:

Vendor

IBM
Status
Informix Dynamic Server
Vendor
CVE Published:
28 June 2025

What is CVE-2025-1991?

IBM Informix Dynamic Server versions 12.10, 14.10, and 15.0 are susceptible to a vulnerability that enables a remote attacker to trigger a denial of service condition. This occurs due to an integer underflow when the server processes incoming packets, which could lead to unexpected behavior or crashes.

Affected Version(s)

Informix Dynamic Server 12.10,14.10,15.0

References

https://www.ibm.com/support/pages/node/7238455
vendor-advisory

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

cnwangjihe
.
CVE-2025-1991 : Denial of Service Vulnerability in IBM Informix Dynamic Server