CVE-2005-1749: Buffer overflow in BEA WebLogic Server and WebLogic Express 6.1 Service Pack 4 allows remote attackers to caus

This month

MEDIUM 5.0DOWNGRADEDOWNGRADE

CVE-2005-1749 is a medium-severity flaw (CVSS 5.0) affecting weblogic server, weblogic portal. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in BEA WebLogic Server and WebLogic Express 6.1 Service Pack 4 allows remote attackers to cause a denial of service (CPU consumption from thread looping).

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	3.2% (top 12%)
CISA exploited list	No
Published	2005-05-24
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: bea · oracle

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

Am I affected?

Timeline

2005-05-24 04:00 UTCPublished CVE record published
2026-06-16 22:13 UTCUpdated Record last modified

bea weblogic server DOWNGRADE

Affected: 6.0 · 6.0 sp1 · 6.0 sp2 · 6.1 · 6.1 sp1 · 6.1 sp2 · 6.1 sp3 · 6.1 sp4

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.0

1. Check installed version

apt-cache policy weblogic-server || rpm -q weblogic-server || weblogic-server --version

2. No fixed release: DOWNGRADE to a release before 6.0 (Debian / Ubuntu)

apt-cache madison weblogic-server sudo apt install weblogic-server=<VERSION_BEFORE_6.0> sudo apt-mark hold weblogic-server

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

dnf --showduplicates list weblogic-server sudo dnf downgrade weblogic-server-<VERSION_BEFORE_6.0> sudo dnf versionlock add weblogic-server

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.

oracle weblogic portal DOWNGRADE

Affected: 8.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 8.0

1. Check installed version

apt-cache policy weblogic-portal || rpm -q weblogic-portal || weblogic-portal --version

2. No fixed release: DOWNGRADE to a release before 8.0 (Debian / Ubuntu)

apt-cache madison weblogic-portal sudo apt install weblogic-portal=<VERSION_BEFORE_8.0> sudo apt-mark hold weblogic-portal

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

dnf --showduplicates list weblogic-portal sudo dnf downgrade weblogic-portal-<VERSION_BEFORE_8.0> sudo dnf versionlock add weblogic-portal

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-2005-1749?

weblogic server: downgrade or apply the listed mitigation; weblogic portal: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2005-1749 being exploited?

CVE-2005-1749 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-2005-1749 affect?

CVE-2005-1749 affects weblogic server, weblogic portal. Severity is medium (CVSS 5.0). Buffer overflow in BEA WebLogic Server and WebLogic Express 6.1 Service Pack 4 allows remote attackers to cause a denial of service (CPU consumption from thread looping).

How urgent is CVE-2005-1749?

Priority 40/100. No elevated risk signals yet.

Software pages

Oracle WebLogic vulnerabilities

Related CVEs

CVE-2026-34305 HIGH 7.5 DOWNGRADE Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Web Services)
CVE-2026-34292 HIGH 7.2 DOWNGRADE Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core)
CVE-2026-34315 MEDIUM 6.5 DOWNGRADE Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Web Services)
CVE-2026-35300 CRITICAL 9.8 DOWNGRADE Vulnerability in the WebLogic Server product of Oracle Fusion Middleware (component: Core)
CVE-2026-35292 CRITICAL 10.0 DOWNGRADE Vulnerability in the WebLogic Server product of Oracle Fusion Middleware (component: Console)

References

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