CVE-2006-5556
Buffer overflow in the localtime_r function, and certain other functions, in libc in HP-UX B.11...
Buffer overflow in the localtime_r function, and certain other functions, in libc in HP-UX B.11.11 and possibly other versions allows local users to execute arbitrary code via a long TZ environment variable.
Exploit likelihood
What each source reports
NVD Score used
4.6
Buffer overflow in the localtime_r function, and certain other functions, in libc in HP-UX B.11.11 and possibly other versions allows local users to execute arbitrary code via a long TZ environment variable.
- Record
CVE-2006-5556- CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
Buffer overflow in the localtime_r function, and certain other functions, in libc in HP-UX B.11.11 and possibly other versions allows local users to execute arbitrary code via a long TZ environment variable.
- Record
CVE-2006-5556- Updated
- 2026-11-02
EUVDEUVD-2006-5541 No score
Buffer overflow in the localtime_r function, and certain other functions, in libc in HP-UX B.11.11 and possibly other versions allows local users to execute arbitrary code via a long TZ environment variable.
- Record
EUVD-2006-5541- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rc79-3j7g-p87j No score
Buffer overflow in the localtime_r function, and certain other functions, in libc in HP-UX B.11...
Buffer overflow in the localtime_r function, and certain other functions, in libc in HP-UX B.11.11 and possibly other versions allows local users to execute arbitrary code via a long TZ environment variable.
- Record
GHSA-rc79-3j7g-p87j- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | HP-UX 11i - 'LIBC TZ' Enviroment Variable Privilege Escalation | 2006-10-24 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2006-5556 is a medium vulnerability (CVSS 4.6) in Hp Hp-ux, published October 27, 2006. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 1.33%, the 71st percentile. No source names a fixed version.