CVE-2007-3947: lighttpd
Vulnerability summary
CVE-2007-3947 is a medium (CVSS 5.8) vulnerability in lighttpd. EPSS estimates a 8.07% chance of exploitation in the next 30 days, higher than 94.7% of scored vulnerabilities. 1 public exploit is recorded.
Advisory lineage
Upstream 0 · Downstream 1 · Duplicates 1Timeline
- 24-07-2007PublishedVulnerability first disclosed.
- 07-08-2024Last modifiedVulnerability information updated.
Description
request.c in lighttpd 1.4.15 allows remote attackers to cause a denial of service (daemon crash) by sending an HTTP request with duplicate headers, as demonstrated by a request containing two Location header lines, which results in a segmentation fault.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
8.07%
Chance of exploitation in the next 30 days
Percentile
95%
Versus all other CVEs
30-day change
0.00 pp
From 8.07% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundLighttpd 1.4.15 - Multiple Code Execution / Denial of Service / Information Disclosure Vulnerabilities
Maturity: weaponized
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Debian1 product
- lighttpd< 1.4.16-1
Lighttpd1 product
- lighttpd≤ 1.4.15
2 vendors · 2 products
References
14 links- trac.lighttpd.net/trac/changeset/1869X Refsource MISC
- trac.lighttpd.net/trac/ticket/1232X Refsource CONFIRM