CVE-2005-0223: The Software Development Kit (SDK) and Run Time Environment (RTE) 1.4.1 and 1.4.2 for Tru64 UNIX allows remote

Routine

MEDIUM 5.0DOWNGRADEDOWNGRADEMITIGATE

CVE-2005-0223 is a medium-severity flaw (CVSS 5.0) affecting rte, sdk, tru64. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Software Development Kit (SDK) and Run Time Environment (RTE) 1.4.1 and 1.4.2 for Tru64 UNIX allows remote attackers to cause a denial of service (Java Virtual Machine hang) via object deserialization.

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	1.8% (top 21%)
CISA exploited list	No
Published	2005-05-02
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: compaq · sun

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

Am I affected?

Timeline

2005-05-02 04:00 UTCPublished CVE record published
2026-06-16 22:10 UTCUpdated Record last modified

sun rte DOWNGRADE

Affected: 1.4.1 · 1.4.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.4.1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.4.1 (Debian / Ubuntu)

apt-cache madison rte sudo apt install rte=<VERSION_BEFORE_1.4.1> sudo apt-mark hold rte

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

dnf --showduplicates list rte sudo dnf downgrade rte-<VERSION_BEFORE_1.4.1> sudo dnf versionlock add rte

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.

sun sdk DOWNGRADE

Affected: 1.4.1 · 1.4.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.4.1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.4.1 (Debian / Ubuntu)

apt-cache madison sdk sudo apt install sdk=<VERSION_BEFORE_1.4.1> sudo apt-mark hold sdk

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

dnf --showduplicates list sdk sudo dnf downgrade sdk-<VERSION_BEFORE_1.4.1> sudo dnf versionlock add sdk

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.

compaq tru64 MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

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-2005-0223?

rte: downgrade or apply the listed mitigation; sdk: downgrade or apply the listed mitigation; tru64: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2005-0223 being exploited?

CVE-2005-0223 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-2005-0223 affect?

CVE-2005-0223 affects rte, sdk, tru64. Severity is medium (CVSS 5.0). The Software Development Kit (SDK) and Run Time Environment (RTE) 1.4.1 and 1.4.2 for Tru64 UNIX allows remote attackers to cause a denial of service (Java Virtual Machine hang) via object deserialization.

How urgent is CVE-2005-0223?

Priority 37/100. No elevated risk signals yet.

Software pages

Java vulnerabilities

References

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