CVE-2009-0306: Buffer overflow in the IBM Lotus Notes Intellisync ActiveX control in lnresobject.dll in BlackBerry Desktop Ma

Q: How do I fix CVE-2009-0306?

blackberry desktop software: upgrade to newer than 5.0; lotus notes intellisync: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2009-0306 being exploited?

CVE-2009-0306 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-2009-0306 affect?

CVE-2009-0306 affects blackberry desktop software, lotus notes intellisync. Severity is high (CVSS 9.3). Buffer overflow in the IBM Lotus Notes Intellisync ActiveX control in lnresobject.dll in BlackBerry Desktop Manager in Research In Motion (RIM) BlackBerry Desktop Software before 5.0.1 allows remote attackers to execute arbitrary code via a

Q: How urgent is CVE-2009-0306?

Priority 55/100. Critical severity; EPSS top 10%: very likely to be exploited

This month

HIGH 9.3UPGRADEMITIGATE

CVE-2009-0306 is a high-severity flaw (CVSS 9.3) affecting blackberry desktop software, lotus notes intellisync. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in the IBM Lotus Notes Intellisync ActiveX control in lnresobject.dll in BlackBerry Desktop Manager in Research In Motion (RIM) BlackBerry Desktop Software before 5.0.1 allows remote attackers to execute arbitrary code via a crafted web page. NOTE: some of these details are obtained from third party information.

Why this priority

Critical severity
EPSS top 10%: very likely to be exploited

A fixed release or distro patch exists.

Risk facts

CVSS score	9.3 (High)
EPSS exploit chance	3.9% (top 10%)
CISA exploited list	No
Weakness	CWE-119
Published	2009-11-04
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: ibm · rim

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

Am I affected?

Timeline

2009-11-04 15:30 UTCPublished CVE record published
2026-06-16 23:04 UTCUpdated Record last modified

rim blackberry desktop software UPGRADE

Affected: <= 5.0

Fixed in: newer than 5.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy blackberry-desktop-software || rpm -q blackberry-desktop-software || blackberry-desktop-software --version

2. UPGRADE to newer than 5.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade blackberry-desktop-software

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade blackberry-desktop-software

Note

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

ibm lotus notes intellisync 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 lotus-notes-intellisync || rpm -q lotus-notes-intellisync || lotus-notes-intellisync --version

No fixed or unaffected release known

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

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-2009-0306?

blackberry desktop software: upgrade to newer than 5.0; lotus notes intellisync: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2009-0306 being exploited?

CVE-2009-0306 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-2009-0306 affect?

CVE-2009-0306 affects blackberry desktop software, lotus notes intellisync. Severity is high (CVSS 9.3). Buffer overflow in the IBM Lotus Notes Intellisync ActiveX control in lnresobject.dll in BlackBerry Desktop Manager in Research In Motion (RIM) BlackBerry Desktop Software before 5.0.1 allows remote attackers to execute arbitrary code via a

How urgent is CVE-2009-0306?

Priority 55/100. Critical severity; EPSS top 10%: very likely to be exploited

Related CVEs

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CVE-2010-2603 LOW 2.1 DOWNGRADE RIM BlackBerry Desktop Software 4.7 through 6.0 for PC, and 1.0 for Mac, uses a weak password to encrypt a dat
CVE-2010-2600 HIGH 9.3 UPGRADE Untrusted search path vulnerability in BlackBerry Desktop Software before 6.0.0.47 allows local users, and pos

References

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