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CVE-2009-2434Buffer overflow in the syscall implementation in IBM AIX 5.3 allows local users to gain privileges via unspecified vectors.
- 7.2HighCVSS base score
- 0.37%Exploitation in 30 daysEPSS · top 68% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Buffer overflow in the syscall implementation in IBM AIX 5.3 allows local users to gain privileges via unspecified vectors.
Timeline
ID reserved
By mitre
Published
- 15 years later
· 15 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 0.37% · top 68% of all CVEs (12 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.2.
Affected products
n/a
- affected n/a
References
References7
- IZ54713 (opens in a new tab)vendor-advisoryx_refsource_AIXAPARx_transferred
- 35615 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 1022530 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- ibm-aix-syscall-bo(51612) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 55727 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 35754 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- IZ54714 (opens in a new tab)vendor-advisoryx_refsource_AIXAPARx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2009-2429 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2009-2434)Record last updated .