CVE-2025-1991
IBM Informix Dynamic Server denial of service
- Published
- Updated
- Reserved
- Assigned by
- ibm
Description
IBM Informix Dynamic Server 12.10,14.10, and15.0 could allow a remote attacker to cause a denial of service due to an integer underflow when processing packets.
Timeline
ID reserved
By ibm
- 4 months later
· 4 months later
Published
- 57 days later
· 57 days later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| ibmCNA (assigner) | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Analyzed | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.44% · top 61% of all CVEs (8 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
Affected products
- affected 12.10
- affected 14.10
- affected 15.0
What to do
Solution: Update to IBM Informix Dynamic Server 14.10.xC11W2. Fix is available on IBM Fix Central - Select Fixes - Informix Server. Follow the instructions for Database server upgrades in the Informix Servers documentation. Update to IBM Informix Dynamic Server 12.10.xC16W2. Fix is available on IBM Fix Central - Select Fixes - Informix Server. Follow the instructions for Database server upgrades in the Informix Servers documentation.
References (1)
- https://www.ibm.com/support/pages/node/7238455 (opens in a new tab)vendor-advisorypatch
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2025-1991)Record last updated .