CVE-2009-4778: Multiple unspecified vulnerabilities in the PDF distiller in the Attachment Service component in Research In M

This month

HIGH 9.3DOWNGRADEDOWNGRADE

CVE-2009-4778 is a high-severity flaw (CVSS 9.3) affecting blackberry enterprise server, blackberry professional software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple unspecified vulnerabilities in the PDF distiller in the Attachment Service component in Research In Motion (RIM) BlackBerry Enterprise Server (BES) software 4.1.3 through 4.1.7 and 5.0.0, and BlackBerry Professional Software 4.1.4, allow user-assisted remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via a crafted .pdf file attachment, a different vulnerability than CVE-2008-3246, CVE-20

Why this priority

Critical severity
EPSS top 9%: very likely to be exploited

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

Risk facts

CVSS score	9.3 (High)
EPSS exploit chance	4.3% (top 9%)
CISA exploited list	No
Published	2010-04-21
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: rim

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

Am I affected?

Timeline

2010-04-21 14:30 UTCPublished CVE record published
2026-06-16 23:14 UTCUpdated Record last modified

rim blackberry enterprise server DOWNGRADE

Affected: 4.1.3 · 4.1.4 · 4.1.5 · 4.1.6 · 4.1.7 · 5.0.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.1.3

1. Check installed version

apt-cache policy blackberry-enterprise-server || rpm -q blackberry-enterprise-server || blackberry-enterprise-server --version

2. No fixed release: DOWNGRADE to a release before 4.1.3 (Debian / Ubuntu)

apt-cache madison blackberry-enterprise-server sudo apt install blackberry-enterprise-server=<VERSION_BEFORE_4.1.3> sudo apt-mark hold blackberry-enterprise-server

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

dnf --showduplicates list blackberry-enterprise-server sudo dnf downgrade blackberry-enterprise-server-<VERSION_BEFORE_4.1.3> sudo dnf versionlock add blackberry-enterprise-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.

rim blackberry professional software DOWNGRADE

Affected: 4.1.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.1.4

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 4.1.4 (Debian / Ubuntu)

apt-cache madison blackberry-professional-software sudo apt install blackberry-professional-software=<VERSION_BEFORE_4.1.4> sudo apt-mark hold blackberry-professional-software

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

dnf --showduplicates list blackberry-professional-software sudo dnf downgrade blackberry-professional-software-<VERSION_BEFORE_4.1.4> sudo dnf versionlock add blackberry-professional-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.

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-2009-4778?

blackberry enterprise server: downgrade or apply the listed mitigation; blackberry professional software: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2009-4778 being exploited?

CVE-2009-4778 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-2009-4778 affect?

CVE-2009-4778 affects blackberry enterprise server, blackberry professional software. Severity is high (CVSS 9.3). Multiple unspecified vulnerabilities in the PDF distiller in the Attachment Service component in Research In Motion (RIM) BlackBerry Enterprise Server (BES) software 4.1.3 through 4.1.7 and 5.0.0, and BlackBerry Professional Software 4.1.4,

How urgent is CVE-2009-4778?

Priority 55/100. Critical severity; EPSS top 9%: very likely to be exploited

Related CVEs

CVE-2011-0290 MEDIUM 6.5 DOWNGRADE The BlackBerry Collaboration Service in Research In Motion (RIM) BlackBerry Enterprise Server (BES) 5.0.3 thro
CVE-2011-0287 MEDIUM 6.4 DOWNGRADE DOWNGRADE Unspecified vulnerability in the BlackBerry Administration API in Research In Motion (RIM) BlackBerry Enterpri
CVE-2011-0286 MEDIUM 4.3 DOWNGRADE DOWNGRADE Cross-site scripting (XSS) vulnerability in webdesktop/app in the BlackBerry Web Desktop Manager component in
CVE-2010-2604 HIGH 9.3 DOWNGRADE DOWNGRADE Multiple buffer overflows in the PDF Distiller in the BlackBerry Attachment Service component in Research In M
CVE-2010-2602 MEDIUM 6.8 DOWNGRADE Multiple buffer overflows in the PDF distiller component in the BlackBerry Attachment Service in BlackBerry En

References

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