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CVE-2019-9706

16
FAUCET Score

CVE-2019-9706 describes a use-after-free vulnerability in Vixie Cron, specifically in Debian packages prior to 3.0pl1-133, which can lead to a denial of service and daemon crash. With a CVSS score of 5.5 (Medium), this local vulnerability requires low privileges and has a high impact on availability. There is no evidence of active exploitation, public exploit code, or significant community discussion, indicating a low current threat profile.

Impacted Technologies

VendorProductVersion(s)CPE
3.0CPE matchmatch criteria
cpe:2.3:a:debian:cron:3.0:-:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:a:debian:cron:3.0:pl1:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:a:debian:cron:3.0:pl1-100:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:a:debian:cron:3.0:pl1-101:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:a:debian:cron:3.0:pl1-102:*:*:*:*:*:*

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
0.46%
Probability of exploitation in next 30 days
EPSS Percentile
37.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0046 is in the 91st 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 Advisories (1)

redhatCVE-2019-9706Moderate

vixie-cron: use-after-free resulting in dos

Mar 8, 2019

References

bugs.debian.org / cgi-bin/bugreport.cgi
ExploitMailing ListVendor Advisory
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
packages.qa.debian.org / c/cron/news/20190311T170403Z.html
Mailing ListPatchVendor Advisory
salsa.debian.org / debian/cron/commit/40791b93
PatchThird Party Advisory