CVE-2007-3444: The Research in Motion BlackBerry 7270 with 4.0 SP1 Bundle 83 allows remote attackers to cause a denial of ser

Routine

MEDIUM 4.3DOWNGRADEMITIGATE

CVE-2007-3444 is a medium-severity flaw (CVSS 4.3) affecting blackberry software, blackberry 7270. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Research in Motion BlackBerry 7270 with 4.0 SP1 Bundle 83 allows remote attackers to cause a denial of service (blocked call reception) via a malformed SIP invite message, possibly related to multiple format string specifiers in the From field, a spoofed source IP address, and limitations of the function stack frame.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	1.9% (top 21%)
CISA exploited list	No
Published	2007-06-27
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

2007-06-27 00:30 UTCPublished CVE record published
2026-06-16 22:42 UTCUpdated Record last modified

rim blackberry software DOWNGRADE

Affected: 4.0 sp1_bundle83

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 4.0 (Debian / Ubuntu)

apt-cache madison blackberry-software sudo apt install blackberry-software=<VERSION_BEFORE_4.0> sudo apt-mark hold blackberry-software

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

dnf --showduplicates list blackberry-software sudo dnf downgrade blackberry-software-<VERSION_BEFORE_4.0> sudo dnf versionlock add blackberry-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.

rim blackberry 7270 MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Firmware

Install the latest firmware from the vendor advisory; if none, apply the vendor workaround.

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-2007-3444?

blackberry software: downgrade or apply the listed mitigation; blackberry 7270: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2007-3444 being exploited?

CVE-2007-3444 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-2007-3444 affect?

CVE-2007-3444 affects blackberry software, blackberry 7270. Severity is medium (CVSS 4.3). The Research in Motion BlackBerry 7270 with 4.0 SP1 Bundle 83 allows remote attackers to cause a denial of service (blocked call reception) via a malformed SIP invite message, possibly related to multiple format string specifiers in the Fro

How urgent is CVE-2007-3444?

Priority 35/100. No elevated risk signals yet.

Related CVEs

CVE-2010-2599 MEDIUM 4.3 UPGRADE Unspecified vulnerability in Research In Motion (RIM) BlackBerry Device Software before 6.0.0 allows remote at

References

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