How severe is CVE-2007-3159?

CVE-2007-3159 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2007-3159 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-2007-3159?

CVE-2007-3159 primarily affects Miniweb Http Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-3159?

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

When was CVE-2007-3159 published?

CVE-2007-3159 was published on 2007-06-11 and last updated on 2026-06-16.

CVE-2007-3159

CVE-2007-3159 is a medium-severity vulnerability in Miniweb Http Server 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% (85th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Miniweb Http Server
Published: 2007-06-11
Last modified: 2026-06-16

Description

http.c in MiniWeb Http Server 0.8.x allows remote attackers to cause a denial of service (application crash) via a negative value in the Content-Length HTTP header.

Frequently asked questions

What is CVE-2007-3159?: http.c in MiniWeb Http Server 0.8.x allows remote attackers to cause a denial of service (application crash) via a negative value in the Content-Length HTTP header.
How severe is CVE-2007-3159?: CVE-2007-3159 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2007-3159 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-2007-3159?: CVE-2007-3159 primarily affects Miniweb Http Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-3159?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-3159 published?: CVE-2007-3159 was published on 2007-06-11 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:miniweb_http_server:miniweb_http_server:0.8.1:*:*:*:*:*:*:*
cpe:2.3:a:miniweb_http_server:miniweb_http_server:0.8.19:*:*:*:*:*:*:*

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CVE-2008-0337 — High (CVSS 7.5): Heap-based buffer overflow in the _mwProcessReadSocket function in http.c in MiniWeb HTTP Server 0.8.19 allows remote…
CVE-2008-0338 — Medium (CVSS 5.0): Directory traversal vulnerability in the mwGetLocalFileName function in http.c in MiniWeb HTTP Server 0.8.19 allows…

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