CVE-2007-4096

CVE-2007-4096 is a medium-severity vulnerability in Tor 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.

Key facts

Description

Buffer overflow in Tor before 0.1.2.15, when using BSD natd support, allows remote attackers to cause a denial of service via unspecified vectors.

Frequently asked questions

What is CVE-2007-4096?
Buffer overflow in Tor before 0.1.2.15, when using BSD natd support, allows remote attackers to cause a denial of service via unspecified vectors.
How severe is CVE-2007-4096?
CVE-2007-4096 has a CVSS 2.0 base score of 5.8, rated medium severity.
Is CVE-2007-4096 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-4096?
CVE-2007-4096 primarily affects Tor. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-4096?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-4096 published?
CVE-2007-4096 was published on 2007-07-30 and last updated on 2026-06-16.

References

Affected products (15)

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