CVE-2007-1856

Vixie Cron before 4.1-r10 on Gentoo Linux is installed with insecure permissions, which allows...

2.1 LowFix available

Vixie Cron before 4.1-r10 on Gentoo Linux is installed with insecure permissions, which allows local users to cause a denial of service (cron failure) by creating hard links, which results in a failed st_nlink check in database.c.

Exploit likelihood

0.38%Down 1.2 points since Feb 4, 2022

What each source reports

NVD Score used 2.1

Record: CVE-2007-1856
CVSS 2.0: 2.1 LowAV:L/AC:L/Au:N/C:N/I:N/A:P
Updated: 2026-11-02

CVE List No score

Record: CVE-2007-1856
Updated: 2026-11-02

EUVDEUVD-2007-1850 No score

Record: EUVD-2007-1850
Updated: 2026-11-03

GitHub AdvisoriesGHSA-jvqr-f98w-8phq No score

Vixie Cron before 4.1-r10 on Gentoo Linux is installed with insecure permissions, which allows...

Record: GHSA-jvqr-f98w-8phq
Updated: 2026-11-02

Affected products

paul vixie vixie cron

Affected packages

Affected packages
Package	Affected	Fixed
`vixie-cron` Red Hat:enterprise_linux:3::as	before 0:4.1-19.EL3	0:4.1-19.EL3
`vixie-cron-debuginfo` Red Hat:enterprise_linux:3::as	before 0:4.1-19.EL3	0:4.1-19.EL3
`vixie-cron` Red Hat:enterprise_linux:3::desktop	before 0:4.1-19.EL3	0:4.1-19.EL3
`vixie-cron-debuginfo` Red Hat:enterprise_linux:3::desktop	before 0:4.1-19.EL3	0:4.1-19.EL3
`vixie-cron` Red Hat:enterprise_linux:3::es	before 0:4.1-19.EL3	0:4.1-19.EL3
`vixie-cron-debuginfo` Red Hat:enterprise_linux:3::es	before 0:4.1-19.EL3	0:4.1-19.EL3
`vixie-cron` Red Hat:enterprise_linux:3::ws	before 0:4.1-19.EL3	0:4.1-19.EL3
`vixie-cron-debuginfo` Red Hat:enterprise_linux:3::ws	before 0:4.1-19.EL3	0:4.1-19.EL3
`vixie-cron` Red Hat:enterprise_linux:4::as	before 4:4.1-47.EL4	4:4.1-47.EL4
`vixie-cron-debuginfo` Red Hat:enterprise_linux:4::as	before 4:4.1-47.EL4	4:4.1-47.EL4

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Affected packages
Package	Affected	Fixed
`vixie-cron` Red Hat:enterprise_linux:4::desktop	before 4:4.1-47.EL4	4:4.1-47.EL4
`vixie-cron-debuginfo` Red Hat:enterprise_linux:4::desktop	before 4:4.1-47.EL4	4:4.1-47.EL4
`vixie-cron` Red Hat:enterprise_linux:4::es	before 4:4.1-47.EL4	4:4.1-47.EL4
`vixie-cron-debuginfo` Red Hat:enterprise_linux:4::es	before 4:4.1-47.EL4	4:4.1-47.EL4
`vixie-cron` Red Hat:enterprise_linux:4::ws	before 4:4.1-47.EL4	4:4.1-47.EL4
`vixie-cron-debuginfo` Red Hat:enterprise_linux:4::ws	before 4:4.1-47.EL4	4:4.1-47.EL4
`vixie-cron` Red Hat:enterprise_linux:5::client	before 4:4.1-70.el5	4:4.1-70.el5
`vixie-cron-debuginfo` Red Hat:enterprise_linux:5::client	before 4:4.1-70.el5	4:4.1-70.el5
`vixie-cron` Red Hat:enterprise_linux:5::server	before 4:4.1-70.el5	4:4.1-70.el5
`vixie-cron-debuginfo` Red Hat:enterprise_linux:5::server	before 4:4.1-70.el5	4:4.1-70.el5

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2007-1856 is a low vulnerability (CVSS 2.1) in Paul Vixie Vixie Cron, published April 18, 2007. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.38%, the 32nd percentile. Fixed in vixie-cron 0:4.1-19.EL3.

References

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