CVE-2006-1178: Tamarack MMSd before 7.992 allows remote attackers to cause a denial of service (crash) via malformed RFC1006

Routine

MEDIUM 5.0DOWNGRADE

CVE-2006-1178 is a medium-severity flaw (CVSS 5.0) affecting tamarack mmsd. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Tamarack MMSd before 7.992 allows remote attackers to cause a denial of service (crash) via malformed RFC1006 (OSI over TCP/IP) packets.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	2.2% (top 18%)
CISA exploited list	No
Published	2006-07-29
Last modified	2026-06-16

Publisher (CNA): CERT/CC · Vendor: tamarack consulting

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

Am I affected?

Timeline

2006-07-29 01:04 UTCPublished CVE record published
2026-06-16 22:22 UTCUpdated Record last modified

tamarack consulting tamarack mmsd DOWNGRADE

Affected: 7.991

Fixed in: no fixed release known

Safe to downgrade to: a release before 7.991

1. Check installed version

apt-cache policy tamarack-mmsd || rpm -q tamarack-mmsd || tamarack-mmsd --version

2. No fixed release: DOWNGRADE to a release before 7.991 (Debian / Ubuntu)

apt-cache madison tamarack-mmsd sudo apt install tamarack-mmsd=<VERSION_BEFORE_7.991> sudo apt-mark hold tamarack-mmsd

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

dnf --showduplicates list tamarack-mmsd sudo dnf downgrade tamarack-mmsd-<VERSION_BEFORE_7.991> sudo dnf versionlock add tamarack-mmsd

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-2006-1178?

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

Is CVE-2006-1178 being exploited?

CVE-2006-1178 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-2006-1178 affect?

CVE-2006-1178 affects tamarack mmsd. Severity is medium (CVSS 5.0). Tamarack MMSd before 7.992 allows remote attackers to cause a denial of service (crash) via malformed RFC1006 (OSI over TCP/IP) packets.

How urgent is CVE-2006-1178?

Priority 38/100. No elevated risk signals yet.

References

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