How severe is CVE-2007-1869?

CVE-2007-1869 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2007-1869 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-1869?

CVE-2007-1869 primarily affects Lighttpd. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-1869?

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

When was CVE-2007-1869 published?

CVE-2007-1869 was published on 2007-04-18 and last updated on 2026-06-16.

CVE-2007-1869

CVE-2007-1869 is a medium-severity vulnerability in Lighttpd 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

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Lighttpd
Published: 2007-04-18
Last modified: 2026-06-16

Description

lighttpd 1.4.12 and 1.4.13 allows remote attackers to cause a denial of service (cpu and resource consumption) by disconnecting while lighttpd is parsing CRLF sequences, which triggers an infinite loop and file descriptor consumption.

Frequently asked questions

What is CVE-2007-1869?: lighttpd 1.4.12 and 1.4.13 allows remote attackers to cause a denial of service (cpu and resource consumption) by disconnecting while lighttpd is parsing CRLF sequences, which triggers an infinite loop and file descriptor consumption.
How severe is CVE-2007-1869?: CVE-2007-1869 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2007-1869 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-1869?: CVE-2007-1869 primarily affects Lighttpd. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-1869?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-1869 published?: CVE-2007-1869 was published on 2007-04-18 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:lighttpd:lighttpd:1.4.12:*:*:*:*:*:*:*
cpe:2.3:a:lighttpd:lighttpd:1.4.13:*:*:*:*:*:*:*

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