CVE-2018-1977 json
IBM DB2 for Linux, UNIX and Windows 11.1 (includes DB2 Connect Server) contains a denial of service vulnerability.
published 2018-12-14 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-12556
- cvss
- 5.3
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.9%
- EPSS 1.9% chance of exploitation in 30 days, percentile 79%
- public exploits
- 0
- none known
Summary
IBM DB2 for Linux, UNIX and Windows 11.1 (includes DB2 Connect Server) contains a denial of service vulnerability. A remote, authenticated DB2 user could exploit this vulnerability by issuing a specially-crafted SELECT statement with TRUNCATE function. IBM X-Force ID: 154032.
Patch / fix
Exploit prediction
1.86% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 5.3 | CVSS:3.0/A:H/AC:H/AV:N/C:N/I:N/PR:L/S:U/UI:N/E:U/RC:C/RL:O |
| CNA | 3.0 | 5.3 | CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVD | 3.0 | 6.5 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:N/I:N/A:P |
Affected products
- IBM DB2 for Linux, UNIX and Windows
Classification
- Weakness
-
- CWE-20 Improper Input Validation
- Technology feeds
References
-
ibm.com
/support/docview.wss?uid=ibm10788089
patch, vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/154032
vdb-entry, vendor-advisory
-
securityfocus.com
/bid/106222
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2018-1977
- NVD CVE-2018-1977
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