Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2019-9704

16
FAUCET Score

CVE-2019-9704 describes a denial-of-service vulnerability in Vixie Cron, affecting versions prior to the 3.0pl1-133 Debian package, as well as various Debian and Fedora cron implementations. A local attacker can crash the cron daemon by providing a large crontab file, due to unchecked memory allocation. This vulnerability has a CVSS score of 5.5 (Medium), indicating low attack complexity and local access requirements, with a high impact on availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.0pl1-133CPE matchmatch criteria
cpe:2.3:a:cron_project:cron:*:*:*:*:*:*:*:*
29CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.35%
Probability of exploitation in next 30 days
EPSS Percentile
27.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0035 is in the 84th percentile among its peer group of 15,932 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (3)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: vixie-cron
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: cronie
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: cronie

Vendor Advisories (1)

redhatCVE-2019-9704Low

vixie-cron: calloc return value resulting in remote dos

Mar 8, 2019

References

lists.debian.org / debian-lts-announce/2019/03/msg00025.html
Mailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2021/10/msg00029.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/6DU7HAUAQR4E4AEBPYLUV6FZ4PHKH6A2
salsa.debian.org / debian/cron/commit/f2525567
PatchThird Party Advisory
securityfocus.com / bid/107373
Third Party AdvisoryVDB Entry