CVE-2007-1870

CVE-2007-1870 is a high-severity vulnerability in Lighttpd with a CVSS 2.0 base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

lighttpd before 1.4.14 allows attackers to cause a denial of service (crash) via a request to a file whose mtime is 0, which results in a NULL pointer dereference.

Frequently asked questions

What is CVE-2007-1870?
lighttpd before 1.4.14 allows attackers to cause a denial of service (crash) via a request to a file whose mtime is 0, which results in a NULL pointer dereference.
How severe is CVE-2007-1870?
CVE-2007-1870 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2007-1870 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-1870?
CVE-2007-1870 primarily affects Lighttpd. In total, 30 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-1870?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2007-1870 published?
CVE-2007-1870 was published on 2007-04-18 and last updated on 2026-06-16.

References

Affected products (30)

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