CVE-2004-0775: Buffer overflow in WIDCOMM Bluetooth Connectivity Software, as used in products such as BTStackServer 1.3.2.7

This month

HIGH 7.5DOWNGRADEDOWNGRADE

CVE-2004-0775 is a high-severity flaw (CVSS 7.5) affecting bluetooth communication software, btstackserver. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in WIDCOMM Bluetooth Connectivity Software, as used in products such as BTStackServer 1.3.2.7 and 1.4.2.10, Windows XP and Windows 98 with MSI Bluetooth Dongles, and HP IPAQ 5450 running WinCE 3.0, allows remote attackers to execute arbitrary code via certain service requests.

Why this priority

High severity

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	3.6% (top 11%)
CISA exploited list	No
Published	2004-10-20
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: widcomm

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

Am I affected?

Timeline

2004-10-20 04:00 UTCPublished CVE record published
2026-06-16 22:06 UTCUpdated Record last modified

widcomm bluetooth communication software DOWNGRADE

Affected: 1.4.1.03

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.4.1.03

1. Check installed version

apt-cache policy bluetooth-communication-software || rpm -q bluetooth-communication-software || bluetooth-communication-software --version

2. No fixed release: DOWNGRADE to a release before 1.4.1.03 (Debian / Ubuntu)

apt-cache madison bluetooth-communication-software sudo apt install bluetooth-communication-software=<VERSION_BEFORE_1.4.1.03> sudo apt-mark hold bluetooth-communication-software

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

dnf --showduplicates list bluetooth-communication-software sudo dnf downgrade bluetooth-communication-software-<VERSION_BEFORE_1.4.1.03> sudo dnf versionlock add bluetooth-communication-software

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.

widcomm btstackserver DOWNGRADE

Affected: 1.3.2.7 · 1.4.2.10

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.3.2.7

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.3.2.7 (Debian / Ubuntu)

apt-cache madison btstackserver sudo apt install btstackserver=<VERSION_BEFORE_1.3.2.7> sudo apt-mark hold btstackserver

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

dnf --showduplicates list btstackserver sudo dnf downgrade btstackserver-<VERSION_BEFORE_1.3.2.7> sudo dnf versionlock add btstackserver

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-2004-0775?

bluetooth communication software: downgrade or apply the listed mitigation; btstackserver: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2004-0775 being exploited?

CVE-2004-0775 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-2004-0775 affect?

CVE-2004-0775 affects bluetooth communication software, btstackserver. Severity is high (CVSS 7.5). Buffer overflow in WIDCOMM Bluetooth Connectivity Software, as used in products such as BTStackServer 1.3.2.7 and 1.4.2.10, Windows XP and Windows 98 with MSI Bluetooth Dongles, and HP IPAQ 5450 running WinCE 3.0, allows remote attackers to

How urgent is CVE-2004-0775?

Priority 49/100. High severity

Software pages

Windows vulnerabilities · Bluetooth vulnerabilities

References

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