CVE-2008-3257: Stack-based buffer overflow in the Apache Connector (mod_wl) in Oracle WebLogic Server (formerly BEA WebLogic

Q: How do I fix CVE-2008-3257?

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

Q: Is CVE-2008-3257 being exploited?

CVE-2008-3257 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2008-3257 affect?

CVE-2008-3257 affects weblogic server, apache connector in weblogic server, weblogic server. Severity is high (CVSS 10.0). Stack-based buffer overflow in the Apache Connector (mod_wl) in Oracle WebLogic Server (formerly BEA WebLogic Server) 10.3 and earlier allows remote attackers to execute arbitrary code via a long HTTP version string, as demonstrated by a st

Q: How urgent is CVE-2008-3257?

Priority 70/100. Critical severity; EPSS top 1%: very likely to be exploited; Public exploit reference; On your watchlist

This week

HIGH 10.0WATCHLISTDOWNGRADEMITIGATEDOWNGRADE

CVE-2008-3257 is a high-severity flaw (CVSS 10.0) affecting weblogic server, apache connector in weblogic server, weblogic server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Stack-based buffer overflow in the Apache Connector (mod_wl) in Oracle WebLogic Server (formerly BEA WebLogic Server) 10.3 and earlier allows remote attackers to execute arbitrary code via a long HTTP version string, as demonstrated by a string after "POST /.jsp" in an HTTP request.

Why this priority

Critical severity
EPSS top 1%: very likely to be exploited
Public exploit reference
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	10.0 (High)
EPSS exploit chance	83.6% (top 1%)
CISA exploited list	No
Weakness	CWE-119
Published	2008-07-22
Last modified	2026-06-16

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

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

Am I affected?

Timeline

2008-07-22 16:41 UTCPublished CVE record published
2026-06-16 22:55 UTCUpdated Record last modified

bea weblogic server DOWNGRADE

Affected: 3.1.8 · 4.0 · 4.0.4 · 4.5 · 4.5.1 · 4.5.1 sp15 · 4.5.2 · 4.5.2 sp1

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.1.8

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 3.1.8 (Debian / Ubuntu)

apt-cache madison weblogic-server sudo apt install weblogic-server=<VERSION_BEFORE_3.1.8> 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_3.1.8> 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.

bea systems apache connector in weblogic server MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy apache-connector-in-weblogic-server || rpm -q apache-connector-in-weblogic-server || apache-connector-in-weblogic-server --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

bea systems weblogic server DOWNGRADE

Affected: 10.0_mp1

Fixed in: no fixed release known

Safe to downgrade to: a release before 10.0_mp1

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 10.0_mp1 (Debian / Ubuntu)

apt-cache madison weblogic-server sudo apt install weblogic-server=<VERSION_BEFORE_10.0_mp1> 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_10.0_mp1> 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 server UPGRADE

Affected: <= 10.3

Fixed in: newer than 10.3

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 10.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade weblogic-server

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade weblogic-server

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Exact fixes by distribution

A distro patch exists: prefer upgrading over downgrading.

Fedora 46 · rust-tokio · FIXED · 1.54.1-1.fc46 · FEDORA-2026-e7fd815169 · source

sudo dnf upgrade --advisory=FEDORA-2026-e7fd815169

Fedora ELN · libopenraw · FIXED · 0.3.7-2.eln159 · FEDORA-2026-3fa115dd38 · source

sudo dnf upgrade --advisory=FEDORA-2026-3fa115dd38

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Bea Weblogic Apache Connector - Code Execution / Denial of Service
Exploit-DB: Oracle Weblogic Apache Connector - POST Buffer Overflow (Metasploit)
Metasploit: Oracle Weblogic Apache Connector POST Request Buffer Overflow

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-2008-3257?

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

Is CVE-2008-3257 being exploited?

CVE-2008-3257 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-2008-3257 affect?

CVE-2008-3257 affects weblogic server, apache connector in weblogic server, weblogic server. Severity is high (CVSS 10.0). Stack-based buffer overflow in the Apache Connector (mod_wl) in Oracle WebLogic Server (formerly BEA WebLogic Server) 10.3 and earlier allows remote attackers to execute arbitrary code via a long HTTP version string, as demonstrated by a st

How urgent is CVE-2008-3257?

Priority 70/100. Critical severity; EPSS top 1%: very likely to be exploited; Public exploit reference; On your watchlist

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

← Back to latest CVEs