CVE-2007-3961

CVE-2007-3961 is a medium-severity vulnerability in Fsp C Library with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Off-by-one error in the fsp_readdir_r function in fsplib.c in fsplib before 0.9 allows remote attackers to cause a denial of service via a directory entry whose length is exactly MAXNAMELEN, which prevents a terminating null byte from being added.

Frequently asked questions

What is CVE-2007-3961?
Off-by-one error in the fsp_readdir_r function in fsplib.c in fsplib before 0.9 allows remote attackers to cause a denial of service via a directory entry whose length is exactly MAXNAMELEN, which prevents a terminating null byte from being added.
How severe is CVE-2007-3961?
CVE-2007-3961 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2007-3961 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-3961?
CVE-2007-3961 affects Fsp C Library. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-3961?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-3961 published?
CVE-2007-3961 was published on 2007-07-25 and last updated on 2026-06-16.

References

Affected products (1)

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