CVE-2018-1000091: KadNode version version 2.2.0 contains a Buffer Overflow vulnerability in Arguments when starting up the binar

This month

HIGH 8.8DOWNGRADE

CVE-2018-1000091 is a high-severity flaw (CVSS 8.8) affecting kadnode. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

KadNode version version 2.2.0 contains a Buffer Overflow vulnerability in Arguments when starting up the binary that can result in Control of program execution flow, leading to remote code execution.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	2.7% (top 14%)
CISA exploited list	No
Weakness	CWE-119
Published	2018-03-13
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: kadnode project

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

Am I affected?

Timeline

2018-03-13 15:29 UTCPublished CVE record published
2026-06-17 01:32 UTCUpdated Record last modified

kadnode project kadnode DOWNGRADE

Affected: 2.2.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.2.0

1. Check installed version

apt-cache policy kadnode || rpm -q kadnode || kadnode --version

2. No fixed release: DOWNGRADE to a release before 2.2.0 (Debian / Ubuntu)

apt-cache madison kadnode sudo apt install kadnode=<VERSION_BEFORE_2.2.0> sudo apt-mark hold kadnode

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

dnf --showduplicates list kadnode sudo dnf downgrade kadnode-<VERSION_BEFORE_2.2.0> sudo dnf versionlock add kadnode

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-2018-1000091?

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

Is CVE-2018-1000091 being exploited?

CVE-2018-1000091 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-2018-1000091 affect?

CVE-2018-1000091 affects kadnode. Severity is high (CVSS 8.8). KadNode version version 2.2.0 contains a Buffer Overflow vulnerability in Arguments when starting up the binary that can result in Control of program execution flow, leading to remote code execution.

How urgent is CVE-2018-1000091?

Priority 57/100. High severity; Public exploit reference

References

← Back to latest CVEs