Paul Vixie maintains the widely embedded Vixie Cron scheduler, a foundational time-based job execution utility deployed across Unix and Linux systems for decades. The vendor's disclosures center on file-handling and symlink-resolution weaknesses characteristic of command-line tools operating in shared system contexts, and frequently acquire public exploit code. Current severity, exploitation activity, and exposure counts are shown alongside this summary.
The number and severity of CVEs published that impact products developed by Paul Vixie over time
Signals from CVEs in this vendor scope (10 CVEs).
10 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2001-0559HIGH crontab in Vixie cron 3.0.1 and earlier does not properly drop privileges after the failed parsing of a modification operation, which could allow a local attacker to gain additiona | Aug 14, 2001 | 7.2 | 33 | NO | YES |
CVE-1999-0769HIGH Vixie Cron on Linux systems allows local users to set parameters of sendmail commands via the MAILTO environmental variable. | Aug 25, 1999 | 7.2 | 29 | NO | YES |
CVE-2006-2607HIGH do_command.c in Vixie cron (vixie-cron) 4.1 does not check the return code of a setuid call, which might allow local users to gain root privileges if setuid fails in cases such as | May 25, 2006 | 7.2 | 21 | NO | NO |
crontab by Paul Vixie uses predictable file names for a temporary file and does not properly ensure that the file is owned by the user executing the crontab -e command, which allow | Jan 9, 2001 | 3.7 | 20 | NO | YES |
CVE-1999-0872HIGH Buffer overflow in Vixie cron allows local users to gain root access via a long MAILTO environment variable in a crontab file. | Aug 25, 1999 | 7.2 | 20 | NO | NO |
CVE-1999-0297HIGH Buffer overflow in Vixie Cron library up to version 3.0 allows local users to obtain root access via a long environmental variable. | Dec 12, 1996 | 7.2 | 18 | NO | NO |
The edit_cmd function in crontab.c in (1) cronie before 1.4.4 and (2) Vixie cron (vixie-cron) allows local users to change the modification times of arbitrary files, and consequent | Feb 25, 2010 | 3.3 | 17 | NO | NO |
CVE-2001-0560MEDIUM Buffer overflow in Vixie cron 3.0.1-56 and earlier could allow a local attacker to gain additional privileges via a long username (> 20 characters). | Aug 22, 2001 | 4.6 | 14 | NO | NO |
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 | Apr 18, 2007 | 2.1 | 13 | NO | NO |
crontab in Vixie cron 4.1, when running with the -e option, allows local users to read the cron files of other users by changing the file being edited to a symlink. NOTE: there is | May 2, 2005 | 2.1 | 11 | NO | NO |
Signals from CVEs in this vendor scope (10 CVEs).
An overview of all social media posts that mention a CVE ID that affects a product developed by Paul Vixie.
Media articles that mention a CVE ID that affects a product developed by Paul Vixie — matched by CVE ID, not by vendor name.