IBM i is Affected By Denial of Service Vulnerabilities in Line Printer Daemon [, ]
Published Sep 4, 2026
5.5
MEDIUMCVSS 3.1
EPSS 0.21%
Description
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a local authenticated attacker to cause a denial of service due to an off-by-one write in the LPD queue name parser.
Affected products
-
- Version 7.3StatusaffectedConstraints-
- Version 7.4StatusaffectedConstraints-
- Version 7.5StatusaffectedConstraints-
- Version 7.6StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| IBM | n/a | n/a |
|
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Vendor solution
IBM i Release5770-TC1 PTF Number(s)PTF Download Link(s)7.6SJ11300 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11300 7.5SJ11301 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11301 7.4SJ11302 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11302 7.3SJ11303 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11303
IBM recommends users running unsupported versions of affected products upgrade to a supported and fixed version of affected products.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
1 other source (CVE.org) ▾
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
YesTechnical Impact
PartialDecision
n/aAssessed Sep 8, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
Sep–Oct 2026- EPSS v5
Percentile over time
- EPSS v5
Table of values (2 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.21% (0.00207) | 9.78th | v5 (v2026.06.15) |
| Sep 5, 2026 | 0.28% (0.00278) | 19.97th | v5 (v2026.06.15) |
References (1)
- https://www.ibm.com/support/pages/node/7285939 vendor-advisorypatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://www.ibm.com/support/pages/node/7285939 | vendor-advisorypatchVendor Advisory |
Change history (0)
No recorded changes yet.