CVE-2018-1426 json
IBM GSKit (IBM DB2 for Linux, UNIX and Windows 9.7, 10.1, 10.5, and 11.1) duplicates the PRNG state across fork() system calls when multipl…
published 2018-03-22 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-12005
- cvss
- 7.4
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.4%
- EPSS 2.4% chance of exploitation in 30 days, percentile 84%
- public exploits
- 0
- none known
Summary
IBM GSKit (IBM DB2 for Linux, UNIX and Windows 9.7, 10.1, 10.5, and 11.1) duplicates the PRNG state across fork() system calls when multiple ICC instances are loaded which could result in duplicate Session IDs and a risk of duplicate key material. IBM X-Force ID: 139071.
Exploit prediction
2.41% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 7.4 | CVSS:3.0/A:N/AC:H/AV:N/C:H/I:H/PR:N/S:U/UI:N |
| CNA | 3.0 | 7.4 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N |
| NVD | 3.0 | 9.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
| NVD | 2.0 | 6.4 | AV:N/AC:L/Au:N/C:P/I:P/A:N |
Affected products
- IBM DB2 for Linux, UNIX and Windows
Classification
- Weakness
-
- CWE-335 Incorrect Usage of Seeds in Pseudo-Random Number Generator (PRNG)
- Technology feeds
References
-
ibm.com
/support/docview.wss?uid=swg22013756
vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/139071
vdb-entry, vendor-advisory
-
securityfocus.com
/bid/105580
vdb-entry, third-party-advisory
-
securitytracker.com
/id/1041012
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2018-1426
- NVD CVE-2018-1426
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.