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CVE-2006-3669: Mercury Messenger, possibly 1.7.1.1 and other versions, when running on a multi-user Mac OS X platform, stores

14
Routine
LOW 2.1UPGRADE

CVE-2006-3669 is a low-severity flaw (CVSS 2.1) affecting mercury messenger. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Mercury Messenger, possibly 1.7.1.1 and other versions, when running on a multi-user Mac OS X platform, stores chat logs with world-readable permissions within the /Users directory, which allows local users to read the chat logs from other users.

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score2.1 (Low)
EPSS exploit chance0.3% (top 73%)
CISA exploited listNo
Published2006-07-18
Last modified2026-06-16
Publisher (CNA): MITRE · Vendor: mercury messenger

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

Am I affected?

Timeline

mercury messenger mercury messenger UPGRADE
Affected: <= 1.7.1.1
Fixed in: newer than 1.7.1.1
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy mercury-messenger || rpm -q mercury-messenger || mercury-messenger --version
2. UPGRADE to newer than 1.7.1.1 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade mercury-messenger
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade mercury-messenger
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
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-2006-3669?

mercury messenger: upgrade to newer than 1.7.1.1. Exact commands for each OS are on this page.

Is CVE-2006-3669 being exploited?

CVE-2006-3669 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-2006-3669 affect?

CVE-2006-3669 affects mercury messenger. Severity is low (CVSS 2.1). Mercury Messenger, possibly 1.7.1.1 and other versions, when running on a multi-user Mac OS X platform, stores chat logs with world-readable permissions within the /Users directory, which allows local users to read the chat logs from other

How urgent is CVE-2006-3669?

Priority 14/100. No elevated risk signals yet.

References

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