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CVE-2007-3950

15
FAUCET Score

CVE-2007-3950 describes a denial-of-service vulnerability affecting lighttpd version 1.4.15 when running on 32-bit platforms. This flaw stems from the use of incompatible format specifiers in debugging messages within the mod_scgi, mod_fastcgi, and mod_webdav modules, which can lead to a daemon crash. The vulnerability has a CVSS score of 4.3, indicating a medium attack complexity and a partial impact on availability, with no authentication required for exploitation. There is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.4.15CPE matchmatch criteria
cpe:2.3:a:lighttpd:lighttpd:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

AV:N/AC:M/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.92%
Probability of exploitation in next 30 days
EPSS Percentile
85.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0291 is in the 78th percentile among its peer group of 19,956 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

secunia.com / advisories/26130
PatchVendor Advisory
secunia.com / advisories/26158
Vendor Advisory
secunia.com / advisories/26505
secunia.com / advisories/26593
security.gentoo.org / glsa/glsa-200708-11.xml
securityreason.com / securityalert/2909
trac.lighttpd.net / trac/changeset/1882
trac.lighttpd.net / trac/ticket/1263
debian.org / security/2007/dsa-1362
novell.com / linux/security/advisories/2007_15_sr.html
securityfocus.com / archive/1/474131/100/0/threaded
securityfocus.com / bid/24967
vupen.com / english/advisories/2007/2585