Security readout for executives and security teams
CVE-2006-5556 is an old HP-UX libc buffer overflow. A person who already has local access could potentially run arbitrary code by abusing timezone environment handling. It matters most on legacy HP-UX servers that still allow interactive or batch user access. Likely exposure is limited to legacy HP-UX B.11.11 systems, and possibly other HP-UX versions. Risk is highest on shared servers, systems with many local users, or applications that run local processes with user-influenced environment variables. Prioritize if HP-UX remains in production, especially on shared or business-critical systems. If no HP-UX assets exist, urgency is low. The main business concern is legacy infrastructure exposure and potential local code execution after initial access. Mitigation focus: Inventory HP-UX systems and identify B.11.11 or related legacy versions.; Check HP or platform vendor guidance for libc patches or supported upgrade paths.; Reduce local shell, batch, and application execution access on exposed HP-UX hosts..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2006-5556 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- 2636CVE reference · exploit, x_refsource_EXPLOIT-DB
- hpux-timezone-bo(29777)CVE reference · vdb-entry, x_refsource_XF
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.