PT-2025-27305 · Ibm · Ibm Informix Dynamic Server

Cnwangjihe · Published 2025-06-28 · Updated 2025-08-14 · CVE-2025-1991

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions: IBM Informix Dynamic Server versions 12.10, 14.10, and 15.0

Description: The issue allows a remote attacker to cause a denial of service due to an integer underflow when processing packets.

Recommendations: For IBM Informix Dynamic Server version 12.10, update to a version that includes the fix for the integer underflow issue. For IBM Informix Dynamic Server version 14.10, update to a version that includes the fix for the integer underflow issue. For IBM Informix Dynamic Server version 15.0, update to a version that includes the fix for the integer underflow issue.

Fix

DoS

Integer Underflow

Weakness Enumeration

CWE-191

Related Identifiers

BDU:2025-10476

CVE-2025-1991

Affected Products

Ibm Informix Dynamic Server

References · 10

• https://nvd.nist.gov/vuln/detail/CVE-2025-1991 · Security Note
• https://bdu.fstec.ru/vul/2025-10476 · Security Note
• https://osv.dev/vulnerability/CVE-2025-1991 · Vendor Advisory
• https://ibm.com/support/pages/node/7238455 · Vendor Advisory, Patch
• https://t.me/cvetracker/27305 · Telegram Post
• https://twitter.com/CVEnew/status/1938955079396020288 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1938953023427907896 · Twitter Post
• https://twitter.com/cracbot/status/1940727262162440648 · Twitter Post
• https://t.me/cveNotify/132176 · Telegram Post
• https://t.me/cvenotify/126979 · Telegram Post