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Servers and applications

CVE-2007-3946

mod_auth (http_auth.c) in lighttpd before 1.4.16 allows remote attackers to cause a denial of service (daemon crash) via unspecified vectors involving (1) a memory leak, (2) use of md5-sess without a cnonce, (3) base64 encoded strings, and (4) trailing whitespace in the Auth-Digest header.

Severity
Medium 6.4
Published
24 Jul 2007
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
3.4% in the next 30 daysHigher than 89% of CVEs. EPSS by FIRST, 12 Nov 2026
Attack
Over the network · No login needed
Attacker can
Read some data · Slow it down
CVSS vector
AV:N/AC:L/Au:N/C:P/I:N/A:P
Sources
NVD

Affected software

SoftwareAffected versions
lighttpdServers and applications · cpe:a:lighttpd:lighttpd
  • Every version up to 1.4.15

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2007-3946
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2007-3946