Multiple buffer overflows in the authentication functionality in librpc.dll in the…
Priority MEDIUM 56CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
Multiple buffer overflows in the authentication functionality in librpc.dll in the Informix Storage Manager (ISM) Portmapper service (aka portmap.exe), as used in IBM Informix Dynamic Server (IDS) 10.x before 10.00.TC9 and 11.x before 11.10.TC3, allow remote attackers to execute arbitrary code via a crafted parameter size.
Why it matters now
EPSS 0.10836 95th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 28
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ibm:informix_dynamic_server:10.0:*:*:*:*:*:*:* | 10.0 | Vulnerable | IBM |
| cpe:2.3:a:ibm:informix_dynamic_server:10.0.tc1:*:*:*:*:*:*:* | 10.0.tc1 | Vulnerable | IBM |
| cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc1:*:*:*:*:*:*:* | 10.0.xc1 | Vulnerable | IBM |
| cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc2e:*:*:*:*:*:*:* | 10.0.xc2e | Vulnerable | IBM |
| cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc3:*:*:*:*:*:*:* | 10.0.xc3 | Vulnerable | IBM |
| cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc3e:*:*:*:*:*:*:* | 10.0.xc3e | Vulnerable | IBM |
| cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc4:*:*:*:*:*:*:* | 10.0.xc4 | Vulnerable | IBM |
| cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc4e:*:*:*:*:*:*:* | 10.0.xc4e | Vulnerable | IBM |
| cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc5:*:*:*:*:*:*:* | 10.0.xc5 | Vulnerable | IBM |
| cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc5e:*:*:*:*:*:*:* | 10.0.xc5e | Vulnerable | IBM |
- cpe:2.3:a:ibm:informix_dynamic_server:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·IBM
- cpe:2.3:a:ibm:informix_dynamic_server:10.0.tc1:*:*:*:*:*:*:* Versions 10.0.tc1 Vulnerable ·IBM
- cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc1:*:*:*:*:*:*:* Versions 10.0.xc1 Vulnerable ·IBM
- cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc2e:*:*:*:*:*:*:* Versions 10.0.xc2e Vulnerable ·IBM
- cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc3:*:*:*:*:*:*:* Versions 10.0.xc3 Vulnerable ·IBM
- cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc3e:*:*:*:*:*:*:* Versions 10.0.xc3e Vulnerable ·IBM
- cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc4:*:*:*:*:*:*:* Versions 10.0.xc4 Vulnerable ·IBM
- cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc4e:*:*:*:*:*:*:* Versions 10.0.xc4e Vulnerable ·IBM
- cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc5:*:*:*:*:*:*:* Versions 10.0.xc5 Vulnerable ·IBM
- cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc5e:*:*:*:*:*:*:* Versions 10.0.xc5e Vulnerable ·IBM
Show 18 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc6:*:*:*:*:*:*:* | 10.0.xc6 | Vulnerable | IBM |
| cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc6e:*:*:*:*:*:*:* | 10.0.xc6e | Vulnerable | IBM |
| cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc7:*:*:*:*:*:*:* | 10.0.xc7 | Vulnerable | IBM |
| cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc7e:*:*:*:*:*:*:* | 10.0.xc7e | Vulnerable | IBM |
| cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc8:*:*:*:*:*:*:* | 10.0.xc8 | Vulnerable | IBM |
| cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc8e:*:*:*:*:*:*:* | 10.0.xc8e | Vulnerable | IBM |
| cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc9:*:*:*:*:*:*:* | 10.0.xc9 | Vulnerable | IBM |
| cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc9e:*:*:*:*:*:*:* | 10.0.xc9e | Vulnerable | IBM |
| cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc10:*:*:*:*:*:*:* | 10.0.xc10 | Vulnerable | IBM |
| cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc10e:*:*:*:*:*:*:* | 10.0.xc10e | Vulnerable | IBM |
| cpe:2.3:a:ibm:informix_dynamic_server:11.1:*:*:*:*:*:*:* | 11.1 | Vulnerable | IBM |
| cpe:2.3:a:ibm:informix_dynamic_server:11.10:*:*:*:*:*:*:* | 11.10 | Vulnerable | IBM |
| cpe:2.3:a:ibm:informix_dynamic_server:11.10.xc1:*:*:*:*:*:*:* | 11.10.xc1 | Vulnerable | IBM |
| cpe:2.3:a:ibm:informix_dynamic_server:11.10.xc1de:*:*:*:*:*:*:* | 11.10.xc1de | Vulnerable | IBM |
| cpe:2.3:a:ibm:informix_dynamic_server:11.10.xc2:*:*:*:*:*:*:* | 11.10.xc2 | Vulnerable | IBM |
| cpe:2.3:a:ibm:informix_dynamic_server:11.10.xc2e:*:*:*:*:*:*:* | 11.10.xc2e | Vulnerable | IBM |
| cpe:2.3:a:ibm:informix_dynamic_server:11.10.xc3:*:*:*:*:*:*:* | 11.10.xc3 | Vulnerable | IBM |
| cpe:2.3:a:ibm:informix_dynamic_server:11.10.xc3e:*:*:*:*:*:*:* | 11.10.xc3e | Vulnerable | IBM |
- cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc6:*:*:*:*:*:*:* Versions 10.0.xc6 Vulnerable ·IBM
- cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc6e:*:*:*:*:*:*:* Versions 10.0.xc6e Vulnerable ·IBM
- cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc7:*:*:*:*:*:*:* Versions 10.0.xc7 Vulnerable ·IBM
- cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc7e:*:*:*:*:*:*:* Versions 10.0.xc7e Vulnerable ·IBM
- cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc8:*:*:*:*:*:*:* Versions 10.0.xc8 Vulnerable ·IBM
- cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc8e:*:*:*:*:*:*:* Versions 10.0.xc8e Vulnerable ·IBM
- cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc9:*:*:*:*:*:*:* Versions 10.0.xc9 Vulnerable ·IBM
- cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc9e:*:*:*:*:*:*:* Versions 10.0.xc9e Vulnerable ·IBM
- cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc10:*:*:*:*:*:*:* Versions 10.0.xc10 Vulnerable ·IBM
- cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc10e:*:*:*:*:*:*:* Versions 10.0.xc10e Vulnerable ·IBM
- cpe:2.3:a:ibm:informix_dynamic_server:11.1:*:*:*:*:*:*:* Versions 11.1 Vulnerable ·IBM
- cpe:2.3:a:ibm:informix_dynamic_server:11.10:*:*:*:*:*:*:* Versions 11.10 Vulnerable ·IBM
- cpe:2.3:a:ibm:informix_dynamic_server:11.10.xc1:*:*:*:*:*:*:* Versions 11.10.xc1 Vulnerable ·IBM
- cpe:2.3:a:ibm:informix_dynamic_server:11.10.xc1de:*:*:*:*:*:*:* Versions 11.10.xc1de Vulnerable ·IBM
- cpe:2.3:a:ibm:informix_dynamic_server:11.10.xc2:*:*:*:*:*:*:* Versions 11.10.xc2 Vulnerable ·IBM
- cpe:2.3:a:ibm:informix_dynamic_server:11.10.xc2e:*:*:*:*:*:*:* Versions 11.10.xc2e Vulnerable ·IBM
- cpe:2.3:a:ibm:informix_dynamic_server:11.10.xc3:*:*:*:*:*:*:* Versions 11.10.xc3 Vulnerable ·IBM
- cpe:2.3:a:ibm:informix_dynamic_server:11.10.xc3e:*:*:*:*:*:*:* Versions 11.10.xc3e Vulnerable ·IBM
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2009-2753
- 2026-10-03 Alias added: GHSA-3pm5-9xjq-m3q6
References
Patch 1
More IBM Informix Dynamic Server vulnerabilities
- TI-2009-02627 Integer signedness error in the authentication functionality in librpc.dll in the… CVSS 2.0HIGH 10.0
- TI-2010-03848 Integer overflow in librpc.dll in portmap.exe (aka the ISM Portmapper service) in ISM… CVSS 2.0HIGH 10.0
- TI-2008-00734 Multiple stack-based and heap-based buffer overflows in the Windows RPC components for… CVSS 2.0HIGH 10.0
- TI-2011-00892 Stack-based buffer overflow in oninit in IBM Informix Dynamic Server (IDS) 11.50 allows… CVSS 2.0HIGH 9.3
- TI-2008-00912 Unspecified vulnerability in IBM Informix Dynamic Server (IDS) 7.x through 11.x allows… CVSS 2.0HIGH 10.0
- TI-2012-04102 Buffer overflow in IBM Informix 11.50 through 11.50.xC9W2 and 11.70 before 11.70.xC7… CVSS 2.0HIGH 9.0
Sources
- CVE-2009-2753 · CVE Program
- CVE-2009-2753 · NVD
- FIRST EPSS
- GHSA-3pm5-9xjq-m3q6 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences