CVE-2019-13014: Little Snitch versions 4.4.0 fixes a vulnerability in a privileged helper tool

Routine

MEDIUM 5.5DOWNGRADE

CVE-2019-13014 is a medium-severity flaw (CVSS 5.5) affecting little snitch. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Little Snitch versions 4.4.0 fixes a vulnerability in a privileged helper tool. However, the operating system may have made a copy of the privileged helper which is not removed or updated immediately. Computers may therefore still be vulnerable after upgrading to 4.4.0. Version 4.4.1 fixes this issue by removing the operating system's copy during the upgrade.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 71%)
CISA exploited list	No
Weakness	CWE-264, CWE-459
Published	2019-08-23
Last modified	2026-06-17

Publisher (CNA): Objective Development Software GmbH · Vendor: obdev

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2019-08-23 17:15 UTCPublished CVE record published
2026-06-17 02:15 UTCUpdated Record last modified

obdev little snitch DOWNGRADE

Affected: 4.4.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.4.0

1. Check installed version

apt-cache policy little-snitch || rpm -q little-snitch || little-snitch --version

2. No fixed release: DOWNGRADE to a release before 4.4.0 (Debian / Ubuntu)

apt-cache madison little-snitch sudo apt install little-snitch=<VERSION_BEFORE_4.4.0> sudo apt-mark hold little-snitch

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list little-snitch sudo dnf downgrade little-snitch-<VERSION_BEFORE_4.4.0> sudo dnf versionlock add little-snitch

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2019-13014?

little snitch: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2019-13014 being exploited?

CVE-2019-13014 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2019-13014 affect?

CVE-2019-13014 affects little snitch. Severity is medium (CVSS 5.5). Little Snitch versions 4.4.0 fixes a vulnerability in a privileged helper tool. However, the operating system may have made a copy of the privileged helper which is not removed or updated immediately. Computers may therefore still be vulner

How urgent is CVE-2019-13014?

Priority 27/100. No elevated risk signals yet.

Related CVEs

CVE-2020-13095 HIGH 8.8 UPGRADE Little Snitch version 4.5.1 and older changed ownership of a directory path controlled by the user
CVE-2019-13013 MEDIUM 5.5 UPGRADE Little Snitch versions 4.3.0 to 4.3.2 have a local privilege escalation vulnerability in their privileged help
CVE-2018-10470 MEDIUM 5.3 UPGRADE Little Snitch versions 4.0 to 4.0.6 use the SecStaticCodeCheckValidityWithErrors() function without the kSecCS
CVE-2017-2675 HIGH 7.8 DOWNGRADE DOWNGRADE Little Snitch version 3.0 through 3.7.3 suffer from a local privilege escalation vulnerability in the installe

References

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