CVE-2004-0368: Double free vulnerability in dtlogin in CDE on Solaris, HP-UX, and other operating systems allows remote attac

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HIGH 10.0DOWNGRADEDOWNGRADEMITIGATE

CVE-2004-0368 is a high-severity flaw (CVSS 10.0) affecting cde common desktop environment, dextop, aix. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Double free vulnerability in dtlogin in CDE on Solaris, HP-UX, and other operating systems allows remote attackers to execute arbitrary code via a crafted XDMCP packet.

Why this priority

Critical severity
EPSS top 4%: very likely to be exploited

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

Risk facts

CVSS score	10.0 (High)
EPSS exploit chance	10.1% (top 4%)
CISA exploited list	No
Weakness	CWE-119
Published	2004-05-04
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: ibm · open group · xi graphics

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

Am I affected?

Timeline

2004-05-04 04:00 UTCPublished CVE record published
2026-06-16 22:05 UTCUpdated Record last modified

open group cde common desktop environment DOWNGRADE

Affected: 1.0.1 · 1.0.2 · 1.1 · 1.2 · 2.0 · 2.1 · 2.1.20

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.1

1. Check installed version

apt-cache policy cde-common-desktop-environment || rpm -q cde-common-desktop-environment || cde-common-desktop-environment --version

2. No fixed release: DOWNGRADE to a release before 1.0.1 (Debian / Ubuntu)

apt-cache madison cde-common-desktop-environment sudo apt install cde-common-desktop-environment=<VERSION_BEFORE_1.0.1> sudo apt-mark hold cde-common-desktop-environment

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

dnf --showduplicates list cde-common-desktop-environment sudo dnf downgrade cde-common-desktop-environment-<VERSION_BEFORE_1.0.1> sudo dnf versionlock add cde-common-desktop-environment

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.

xi graphics dextop DOWNGRADE

Affected: 2.1 · 3.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.1 (Debian / Ubuntu)

apt-cache madison dextop sudo apt install dextop=<VERSION_BEFORE_2.1> sudo apt-mark hold dextop

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

dnf --showduplicates list dextop sudo dnf downgrade dextop-<VERSION_BEFORE_2.1> sudo dnf versionlock add dextop

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.

ibm aix MITIGATE

Affected: 4.3.3 · 5.1 · 5.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.3.3

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

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-2004-0368?

cde common desktop environment: downgrade or apply the listed mitigation; dextop: downgrade or apply the listed mitigation; aix: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2004-0368 being exploited?

CVE-2004-0368 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-2004-0368 affect?

CVE-2004-0368 affects cde common desktop environment, dextop, aix. Severity is high (CVSS 10.0). Double free vulnerability in dtlogin in CDE on Solaris, HP-UX, and other operating systems allows remote attackers to execute arbitrary code via a crafted XDMCP packet.

How urgent is CVE-2004-0368?

Priority 59/100. Critical severity; EPSS top 4%: very likely to be exploited

Related CVEs

CVE-2001-0803 HIGH 10.0 DOWNGRADE Buffer overflow in the client connection routine of libDtSvc.so.1 in CDE Subprocess Control Service (dtspcd) a

References

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