CVE-2005-3182: Buffer overflow in the HTTP management interface for GFI MailSecurity 8.1 allows remote attackers to execute a

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HIGH 7.5DOWNGRADE

CVE-2005-3182 is a high-severity flaw (CVSS 7.5) affecting mailsecurity. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in the HTTP management interface for GFI MailSecurity 8.1 allows remote attackers to execute arbitrary code via long headers such as (1) Host and (2) Accept in HTTP requests. NOTE: the vendor suggests that this issues is "in an underlying Microsoft technology" which, if true, could mean that the overflow affects other products as well.

Why this priority

High severity
EPSS top 9%: very likely to be exploited

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	4.0% (top 9%)
CISA exploited list	No
Published	2005-10-20
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: gfi

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

Am I affected?

Timeline

2005-10-20 10:02 UTCPublished CVE record published
2026-06-16 22:16 UTCUpdated Record last modified

gfi mailsecurity DOWNGRADE

Affected: 8.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 8.1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 8.1 (Debian / Ubuntu)

apt-cache madison mailsecurity sudo apt install mailsecurity=<VERSION_BEFORE_8.1> sudo apt-mark hold mailsecurity

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

dnf --showduplicates list mailsecurity sudo dnf downgrade mailsecurity-<VERSION_BEFORE_8.1> sudo dnf versionlock add mailsecurity

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-2005-3182?

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

Is CVE-2005-3182 being exploited?

CVE-2005-3182 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-2005-3182 affect?

CVE-2005-3182 affects mailsecurity. Severity is high (CVSS 7.5). Buffer overflow in the HTTP management interface for GFI MailSecurity 8.1 allows remote attackers to execute arbitrary code via long headers such as (1) Host and (2) Accept in HTTP requests. NOTE: the vendor suggests that this issues is "i

How urgent is CVE-2005-3182?

Priority 49/100. High severity; EPSS top 9%: very likely to be exploited

Related CVEs

CVE-2004-1312 HIGH 10.0 DOWNGRADE DOWNGRADE A bug in the HTML parser in a certain Microsoft HTML library, as used in various third party products, may all
CVE-2002-1121 HIGH 7.5 DOWNGRADE DOWNGRADE SMTP content filter engines, including (1) GFI MailSecurity for Exchange/SMTP before 7.2, (2) InterScan VirusW

References

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