CVE-2010-3354: dropboxd in Dropbox 0.7.110 places a zero-length directory name in the LD_LIBRARY_PATH, which allows local use

Routine

MEDIUM 6.9DOWNGRADE

CVE-2010-3354 is a medium-severity flaw (CVSS 6.9) affecting dropbox. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

dropboxd in Dropbox 0.7.110 places a zero-length directory name in the LD_LIBRARY_PATH, which allows local users to gain privileges via a Trojan horse shared library in the current working directory.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	6.9 (Medium)
EPSS exploit chance	0.3% (top 78%)
CISA exploited list	No
Published	2010-10-20
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: dropbox

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

Am I affected?

Timeline

2010-10-20 18:00 UTCPublished CVE record published
2026-06-16 23:22 UTCUpdated Record last modified

dropbox dropbox DOWNGRADE

Affected: 0.7.110

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.7.110

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.7.110 (Debian / Ubuntu)

apt-cache madison dropbox sudo apt install dropbox=<VERSION_BEFORE_0.7.110> sudo apt-mark hold dropbox

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

dnf --showduplicates list dropbox sudo dnf downgrade dropbox-<VERSION_BEFORE_0.7.110> sudo dnf versionlock add dropbox

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-2010-3354?

dropbox: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2010-3354 being exploited?

CVE-2010-3354 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-2010-3354 affect?

CVE-2010-3354 affects dropbox. Severity is medium (CVSS 6.9). dropboxd in Dropbox 0.7.110 places a zero-length directory name in the LD_LIBRARY_PATH, which allows local users to gain privileges via a Trojan horse shared library in the current working directory.

How urgent is CVE-2010-3354?

Priority 30/100. No elevated risk signals yet.

Software pages

Dropbox vulnerabilities

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References

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