CVE-2025-1991 json
IBM Informix Dynamic Server denial of service
published 2025-06-28 16 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-19451
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 38%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- ibm.com/support/pages/node/7238455 advisory
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 16 mo ago
Exploit prediction
0.44% chance of exploitation in the next 30 days, higher than 38% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
- IBM Informix Dynamic Server
Classification
- Weakness
-
- CWE-191 Integer Underflow (Wrap or Wraparound)
References
-
ibm.com
/support/pages/node/7238455
vendor-advisory, patch
Sources
- CVE List CVE-2025-1991
- NVD CVE-2025-1991
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