CVE-2006-2824: Logicalware MailManager before 2.0.10 does not remove 0xc8 0x27 (0xc8 followed by a single-quote character) fr

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HIGH 7.5DOWNGRADE

CVE-2006-2824 is a high-severity flaw (CVSS 7.5) affecting mailmanager. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Logicalware MailManager before 2.0.10 does not remove 0xc8 0x27 (0xc8 followed by a single-quote character) from the data stream to the server, which allows remote attackers to modify data and gain administrative access when PostgreSQL is used, aka "bug #1494281 - Postgres encoding security hole." NOTE: while this issue involves PostgreSQL, it is specific to MailManager's interface to PostgreSQL and is therefore a different vulnerability than CV

Why this priority

High severity

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	1.6% (top 25%)
CISA exploited list	No
Published	2006-06-05
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: logicalware

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

Am I affected?

Timeline

2006-06-05 17:02 UTCPublished CVE record published
2026-06-16 22:25 UTCUpdated Record last modified

logicalware mailmanager DOWNGRADE

Affected: 2.0 · 2.0.1 · 2.0.1_rc2 · 2.0.2 · 2.0.3 · 2.0.4 · 2.0.5 · 2.0.6

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0

1. Check installed version

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

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

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

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

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

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-2006-2824?

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

Is CVE-2006-2824 being exploited?

CVE-2006-2824 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-2006-2824 affect?

CVE-2006-2824 affects mailmanager. Severity is high (CVSS 7.5). Logicalware MailManager before 2.0.10 does not remove 0xc8 0x27 (0xc8 followed by a single-quote character) from the data stream to the server, which allows remote attackers to modify data and gain administrative access when PostgreSQL is u

How urgent is CVE-2006-2824?

Priority 45/100. High severity

Software pages

PostgreSQL vulnerabilities

References

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