CVE-2006-0539

Exp

The convert-fcrontab program in fcron 3.0.0 might allow local users to gain privileges via a long command-line argument, which causes Linux glibc to report heap memory corruption, possibly because a strcpy in the strdup2 function can "overwrite some data."

Published: 2006-02-03 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2006-0539 is rated Exploit Available (51.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.76%). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2006-0539

EDB-ID Source Kind Published Link
27159 exploit_db edb 2006-02-01 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2006-0539

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.33% 0.76% +0.43%
2 2025-10-30 0.15% 0.33% +0.18%
3 2025-03-30 — 0.15% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-0539

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.6 2.0 MEDIUM
AV:L/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 3.9 6.4 [email protected]

Weakness enumeration for CVE-2006-0539

OS Trackers for CVE-2006-0539

vendor priority summary link
ubuntu medium CVE-2006-0539 medium priority: Ubuntu including 1 source packages (fcron), 5 status rows across 5 suites (dapper, edgy, feisty, gutsy, upstream): not-affected 4, needs-triage 1. https://ubuntu.com/security/CVE-2006-0539

Affected software / configurations for CVE-2006-0539

Vendor Product Version Raw CPE
thibault_godouet fcron 3.0.0 cpe:2.3:a:thibault_godouet:fcron:3.0.0:*:*:*:*:*:*:*

References for CVE-2006-0539

cvelogic Threat Intelligence