How severe is CVE-2010-3879?

CVE-2010-3879 has a CVSS 2.0 base score of 5.8, rated medium severity.

Is CVE-2010-3879 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-3879?

CVE-2010-3879 affects Libfuse Project Libfuse. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2010-3879?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2010-3879 published?

CVE-2010-3879 was published on 2011-01-22 and last updated on 2026-06-16.

CVE-2010-3879

CVE-2010-3879 is a medium-severity vulnerability in Libfuse Project Libfuse with a CVSS 2.0 base score of 5.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-59.

Key facts

Severity: Medium (CVSS 2.0 base score 5.8)
EPSS exploit prediction: 10% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-59
Affected product: Libfuse Project Libfuse
Published: 2011-01-22
Last modified: 2026-06-16

Description

FUSE, possibly 2.8.5 and earlier, allows local users to create mtab entries with arbitrary pathnames, and consequently unmount any filesystem, via a symlink attack on the parent directory of the mountpoint of a FUSE filesystem, a different vulnerability than CVE-2010-0789.

Frequently asked questions

What is CVE-2010-3879?: FUSE, possibly 2.8.5 and earlier, allows local users to create mtab entries with arbitrary pathnames, and consequently unmount any filesystem, via a symlink attack on the parent directory of the mountpoint of a FUSE filesystem, a different vulnerability than CVE-2010-0789.
How severe is CVE-2010-3879?: CVE-2010-3879 has a CVSS 2.0 base score of 5.8, rated medium severity.
Is CVE-2010-3879 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-3879?: CVE-2010-3879 affects Libfuse Project Libfuse. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2010-3879?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2010-3879 published?: CVE-2010-3879 was published on 2011-01-22 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:libfuse_project:libfuse:*:*:*:*:*:*:*:*

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