CVE-2006-3931: Buffer overflow in the daemon function in midirecord.cc in Tuomas Airaksinen Midirecord 2.0 allows local users

Routine

MEDIUM 4.6DOWNGRADE

CVE-2006-3931 is a medium-severity flaw (CVSS 4.6) affecting midirecord. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in the daemon function in midirecord.cc in Tuomas Airaksinen Midirecord 2.0 allows local users to execute arbitrary code via a long command line argument (filename). NOTE: This may not be a vulnerability if Midirecord is not installed setuid.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	4.6 (Medium)
EPSS exploit chance	1.1% (top 36%)
CISA exploited list	No
Published	2006-07-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: tuomas airaksinen

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2006-07-31 21:04 UTCPublished CVE record published
2026-06-16 22:28 UTCUpdated Record last modified

tuomas airaksinen midirecord DOWNGRADE

Affected: 2.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.0 (Debian / Ubuntu)

apt-cache madison midirecord sudo apt install midirecord=<VERSION_BEFORE_2.0> sudo apt-mark hold midirecord

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

dnf --showduplicates list midirecord sudo dnf downgrade midirecord-<VERSION_BEFORE_2.0> sudo dnf versionlock add midirecord

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: MidiRecord2 MidiRecord.CC - Local Buffer Overflow

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-2006-3931?

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

Is CVE-2006-3931 being exploited?

CVE-2006-3931 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-2006-3931 affect?

CVE-2006-3931 affects midirecord. Severity is medium (CVSS 4.6). Buffer overflow in the daemon function in midirecord.cc in Tuomas Airaksinen Midirecord 2.0 allows local users to execute arbitrary code via a long command line argument (filename). NOTE: This may not be a vulnerability if Midirecord is no

How urgent is CVE-2006-3931?

Priority 37/100. Public exploit reference

References

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