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CVE-2006-0539

23
FAUCET Score

CVE-2006-0539 describes a local privilege escalation vulnerability in the convert-fcrontab program of fcron version 3.0.0. A long command-line argument can trigger a heap memory corruption due to a strcpy overflow in the strdup2 function, potentially allowing local users to gain elevated privileges. This vulnerability has a CVSS score of 4.6 (AV:L/AC:L/Au:N/C:P/I:P/A:P), indicating low attack complexity and requiring local access, with potential for partial confidentiality, integrity, and availability impact. While not actively exploited in the wild and not on the KEV catalog, a public exploit (EDB-27159) exists, though there is minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
3.0.0CPE matchmatch criteria
cpe:2.3:a:thibault_godouet:fcron:3.0.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.6MEDIUM

AV:L/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.78%
Probability of exploitation in next 30 days
EPSS Percentile
52.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
ExploitDB: EDB-27159 · Feb 1, 2006
This CVE's current EPSS score of 0.0077 is in the 86th percentile among its peer group of 3,052 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

archives.neohapsis.com / archives/fulldisclosure/2006-01/0999.html
fcron.free.fr / doc/en/changes.html
fcron.free.fr / news.php
bugs.trustix.org / show_bug.cgi
secunia.com / advisories/18719
exchange.xforce.ibmcloud.com / vulnerabilities/24444
securityfocus.com / archive/1/423697/100/0/threaded
securityfocus.com / bid/16467
trustix.org / errata/2006/0036
vupen.com / english/advisories/2006/0435