How severe is CVE-2007-3950?

CVE-2007-3950 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2007-3950 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-3950?

CVE-2007-3950 affects Lighttpd. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-3950?

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

When was CVE-2007-3950 published?

CVE-2007-3950 was published on 2007-07-24 and last updated on 2026-06-16.

CVE-2007-3950

CVE-2007-3950 is a medium-severity vulnerability in Lighttpd with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Lighttpd
Published: 2007-07-24
Last modified: 2026-06-16

Description

lighttpd 1.4.15, when run on 32 bit platforms, allows remote attackers to cause a denial of service (daemon crash) via unspecified vectors involving the use of incompatible format specifiers in certain debugging messages in the (1) mod_scgi, (2) mod_fastcgi, and (3) mod_webdav modules.

Frequently asked questions

What is CVE-2007-3950?: lighttpd 1.4.15, when run on 32 bit platforms, allows remote attackers to cause a denial of service (daemon crash) via unspecified vectors involving the use of incompatible format specifiers in certain debugging messages in the (1) mod_scgi, (2) mod_fastcgi, and (3) mod_webdav modules.
How severe is CVE-2007-3950?: CVE-2007-3950 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2007-3950 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-3950?: CVE-2007-3950 affects Lighttpd. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-3950?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-3950 published?: CVE-2007-3950 was published on 2007-07-24 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:lighttpd:lighttpd:*:*:*:*:*:*:*:*

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