CVE-2006-0712: mail_html template in Squishdot 1.5.0 and earlier does not properly validate the (1) email and (2) title varia

Routine

MEDIUM 5.0DOWNGRADE

CVE-2006-0712 is a medium-severity flaw (CVSS 5.0) affecting squishdot. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

mail_html template in Squishdot 1.5.0 and earlier does not properly validate the (1) email and (2) title variables, which allows remote attackers to bypass spam filters by injecting SMTP headers, probably due to a CRLF injection vulnerability.

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	1.6% (top 24%)
CISA exploited list	No
Published	2006-02-15
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: squishdot

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

Am I affected?

Timeline

2006-02-15 11:06 UTCPublished CVE record published
2026-06-16 22:21 UTCUpdated Record last modified

squishdot squishdot DOWNGRADE

Affected: 0.7.2 · 1.0.0 · 1.1.0 · 1.2.1 · 1.4.0 · 1.4.1 · 1.5.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.7.2

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.7.2 (Debian / Ubuntu)

apt-cache madison squishdot sudo apt install squishdot=<VERSION_BEFORE_0.7.2> sudo apt-mark hold squishdot

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

dnf --showduplicates list squishdot sudo dnf downgrade squishdot-<VERSION_BEFORE_0.7.2> sudo dnf versionlock add squishdot

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-2006-0712?

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

Is CVE-2006-0712 being exploited?

CVE-2006-0712 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-2006-0712 affect?

CVE-2006-0712 affects squishdot. Severity is medium (CVSS 5.0). mail_html template in Squishdot 1.5.0 and earlier does not properly validate the (1) email and (2) title variables, which allows remote attackers to bypass spam filters by injecting SMTP headers, probably due to a CRLF injection vulnerabili

How urgent is CVE-2006-0712?

Priority 36/100. No elevated risk signals yet.

References

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