Stack-based buffer overflow in libcsa.a (aka the calendar daemon library) in IBM AIX 5.x…
Priority HIGH 78CWE-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
Stack-based buffer overflow in libcsa.a (aka the calendar daemon library) in IBM AIX 5.x through 5.3.10 and 6.x through 6.1.3, and VIOS 2.1 and earlier, allows remote attackers to execute arbitrary code via a long XDR string in the first argument to procedure 21 of rpc.cmsd.
Why it matters now
EPSS 0.62345 99th 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 · 31
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ibm:vios:*:*:*:*:*:*:*:* | up to 2.1.0 | Vulnerable | IBM |
| cpe:2.3:a:ibm:vios:1.4:*:*:*:*:*:*:* | 1.4 | Vulnerable | IBM |
| cpe:2.3:a:ibm:vios:1.5.0:*:*:*:*:*:*:* | 1.5.0 | Vulnerable | IBM |
| cpe:2.3:a:ibm:vios:1.5.1:*:*:*:*:*:*:* | 1.5.1 | Vulnerable | IBM |
| cpe:2.3:a:ibm:vios:1.5.2:*:*:*:*:*:*:* | 1.5.2 | Vulnerable | IBM |
| cpe:2.3:o:ibm:aix:5:*:*:*:*:*:*:* | 5 | Vulnerable | IBM |
| cpe:2.3:o:ibm:aix:5.1:*:*:*:*:*:*:* | 5.1 | Vulnerable | IBM |
| cpe:2.3:o:ibm:aix:5.1.0.10:*:*:*:*:*:*:* | 5.1.0.10 | Vulnerable | IBM |
| cpe:2.3:o:ibm:aix:5.1l:*:*:*:*:*:*:* | 5.1l | Vulnerable | IBM |
| cpe:2.3:o:ibm:aix:5.2:*:*:*:*:*:*:* | 5.2 | Vulnerable | IBM |
- cpe:2.3:a:ibm:vios:*:*:*:*:*:*:*:* Versions up to 2.1.0 Vulnerable ·IBM
- cpe:2.3:a:ibm:vios:1.4:*:*:*:*:*:*:* Versions 1.4 Vulnerable ·IBM
- cpe:2.3:a:ibm:vios:1.5.0:*:*:*:*:*:*:* Versions 1.5.0 Vulnerable ·IBM
- cpe:2.3:a:ibm:vios:1.5.1:*:*:*:*:*:*:* Versions 1.5.1 Vulnerable ·IBM
- cpe:2.3:a:ibm:vios:1.5.2:*:*:*:*:*:*:* Versions 1.5.2 Vulnerable ·IBM
- cpe:2.3:o:ibm:aix:5:*:*:*:*:*:*:* Versions 5 Vulnerable ·IBM
- cpe:2.3:o:ibm:aix:5.1:*:*:*:*:*:*:* Versions 5.1 Vulnerable ·IBM
- cpe:2.3:o:ibm:aix:5.1.0.10:*:*:*:*:*:*:* Versions 5.1.0.10 Vulnerable ·IBM
- cpe:2.3:o:ibm:aix:5.1l:*:*:*:*:*:*:* Versions 5.1l Vulnerable ·IBM
- cpe:2.3:o:ibm:aix:5.2:*:*:*:*:*:*:* Versions 5.2 Vulnerable ·IBM
Show 21 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:ibm:aix:5.2.0:*:*:*:*:*:*:* | 5.2.0 | Vulnerable | IBM |
| cpe:2.3:o:ibm:aix:5.2.0.50:*:*:*:*:*:*:* | 5.2.0.50 | Vulnerable | IBM |
| cpe:2.3:o:ibm:aix:5.2.0.54:*:*:*:*:*:*:* | 5.2.0.54 | Vulnerable | IBM |
| cpe:2.3:o:ibm:aix:5.2.2:*:*:*:*:*:*:* | 5.2.2 | Vulnerable | IBM |
| cpe:2.3:o:ibm:aix:5.2_l:*:*:*:*:*:*:* | 5.2_l | Vulnerable | IBM |
| cpe:2.3:o:ibm:aix:5.3:*:*:*:*:*:*:* | 5.3 | Vulnerable | IBM |
| cpe:2.3:o:ibm:aix:5.3:sp6:*:*:*:*:*:* | 5.3 sp6 | Vulnerable | IBM |
| cpe:2.3:o:ibm:aix:5.3.0:*:*:*:*:*:*:* | 5.3.0 | Vulnerable | IBM |
| cpe:2.3:o:ibm:aix:5.3.0.20:*:*:*:*:*:*:* | 5.3.0.20 | Vulnerable | IBM |
| cpe:2.3:o:ibm:aix:5.3.7:*:*:*:*:*:*:* | 5.3.7 | Vulnerable | IBM |
| cpe:2.3:o:ibm:aix:5.3.8:*:*:*:*:*:*:* | 5.3.8 | Vulnerable | IBM |
| cpe:2.3:o:ibm:aix:5.3.9:*:*:*:*:*:*:* | 5.3.9 | Vulnerable | IBM |
| cpe:2.3:o:ibm:aix:5.3.10:*:*:*:*:*:*:* | 5.3.10 | Vulnerable | IBM |
| cpe:2.3:o:ibm:aix:5.3_l:*:*:*:*:*:*:* | 5.3_l | Vulnerable | IBM |
| cpe:2.3:o:ibm:aix:5.3_ml03:*:*:*:*:*:*:* | 5.3_ml03 | Vulnerable | IBM |
| cpe:2.3:o:ibm:aix:5l:*:*:*:*:*:*:* | 5l | Vulnerable | IBM |
| cpe:2.3:o:ibm:aix:6.1:*:*:*:*:*:*:* | 6.1 | Vulnerable | IBM |
| cpe:2.3:o:ibm:aix:6.1.0:*:*:*:*:*:*:* | 6.1.0 | Vulnerable | IBM |
| cpe:2.3:o:ibm:aix:6.1.1:*:*:*:*:*:*:* | 6.1.1 | Vulnerable | IBM |
| cpe:2.3:o:ibm:aix:6.1.2:*:*:*:*:*:*:* | 6.1.2 | Vulnerable | IBM |
| cpe:2.3:o:ibm:aix:6.1.3:*:*:*:*:*:*:* | 6.1.3 | Vulnerable | IBM |
- cpe:2.3:o:ibm:aix:5.2.0:*:*:*:*:*:*:* Versions 5.2.0 Vulnerable ·IBM
- cpe:2.3:o:ibm:aix:5.2.0.50:*:*:*:*:*:*:* Versions 5.2.0.50 Vulnerable ·IBM
- cpe:2.3:o:ibm:aix:5.2.0.54:*:*:*:*:*:*:* Versions 5.2.0.54 Vulnerable ·IBM
- cpe:2.3:o:ibm:aix:5.2.2:*:*:*:*:*:*:* Versions 5.2.2 Vulnerable ·IBM
- cpe:2.3:o:ibm:aix:5.2_l:*:*:*:*:*:*:* Versions 5.2_l Vulnerable ·IBM
- cpe:2.3:o:ibm:aix:5.3:*:*:*:*:*:*:* Versions 5.3 Vulnerable ·IBM
- cpe:2.3:o:ibm:aix:5.3:sp6:*:*:*:*:*:* Versions 5.3 sp6 Vulnerable ·IBM
- cpe:2.3:o:ibm:aix:5.3.0:*:*:*:*:*:*:* Versions 5.3.0 Vulnerable ·IBM
- cpe:2.3:o:ibm:aix:5.3.0.20:*:*:*:*:*:*:* Versions 5.3.0.20 Vulnerable ·IBM
- cpe:2.3:o:ibm:aix:5.3.7:*:*:*:*:*:*:* Versions 5.3.7 Vulnerable ·IBM
- cpe:2.3:o:ibm:aix:5.3.8:*:*:*:*:*:*:* Versions 5.3.8 Vulnerable ·IBM
- cpe:2.3:o:ibm:aix:5.3.9:*:*:*:*:*:*:* Versions 5.3.9 Vulnerable ·IBM
- cpe:2.3:o:ibm:aix:5.3.10:*:*:*:*:*:*:* Versions 5.3.10 Vulnerable ·IBM
- cpe:2.3:o:ibm:aix:5.3_l:*:*:*:*:*:*:* Versions 5.3_l Vulnerable ·IBM
- cpe:2.3:o:ibm:aix:5.3_ml03:*:*:*:*:*:*:* Versions 5.3_ml03 Vulnerable ·IBM
- cpe:2.3:o:ibm:aix:5l:*:*:*:*:*:*:* Versions 5l Vulnerable ·IBM
- cpe:2.3:o:ibm:aix:6.1:*:*:*:*:*:*:* Versions 6.1 Vulnerable ·IBM
- cpe:2.3:o:ibm:aix:6.1.0:*:*:*:*:*:*:* Versions 6.1.0 Vulnerable ·IBM
- cpe:2.3:o:ibm:aix:6.1.1:*:*:*:*:*:*:* Versions 6.1.1 Vulnerable ·IBM
- cpe:2.3:o:ibm:aix:6.1.2:*:*:*:*:*:*:* Versions 6.1.2 Vulnerable ·IBM
- cpe:2.3:o:ibm:aix:6.1.3:*:*:*:*:*:*:* Versions 6.1.3 Vulnerable ·IBM
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2009-3699
- 2026-10-03 Alias added: GHSA-jc9g-5ggm-9q3r
References
Advisory 10
More IBM Aix vulnerabilities
- TI-2001-00767 Buffer overflow in login in various System V based operating systems allows remote… CVSS 2.0HIGH 10.0
- TI-2003-00642 The prescan function in Sendmail 8.12.9 allows remote attackers to execute arbitrary code… CVSS 2.0HIGH 10.0
- TI-1999-00045 Buffer overflow of rlogin program using TERM environmental variable. CVSS 2.0HIGH 10.0
- TI-2001-00539 Buffer overflow in BSD-based telnetd telnet daemon on various operating systems allows… CVSS 2.0HIGH 10.0
- TI-1999-00009 Inverse query buffer overflow in BIND 4.9 and BIND 8 Releases. CVSS 2.0HIGH 10.0
- TI-1999-00003 Execute commands as root via buffer overflow in Tooltalk database server (rpc.ttdbserverd). CVSS 2.0HIGH 10.0
Sources
- CVE-2009-3699 · CVE Program
- CVE-2009-3699 · NVD
- FIRST EPSS
- GHSA-jc9g-5ggm-9q3r · GitHub Advisory Database · CC BY 4.0
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