CVE-2007-3946

Severity: medium (CVSS 6.4 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-07-24 · updated 2026-06-16

Description

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.

Affected products

lighttpd: through 1.4.15

References

http://osvdb.org/38314
http://osvdb.org/38315
http://osvdb.org/38316
http://osvdb.org/38317
http://secunia.com/advisories/26130
http://secunia.com/advisories/26158
http://secunia.com/advisories/26505
http://secunia.com/advisories/26593
http://security.gentoo.org/glsa/glsa-200708-11.xml
http://trac.lighttpd.net/trac/browser/branches/lighttpd-1.4.x/NEWS?rev=1875
http://trac.lighttpd.net/trac/changeset/1875
http://www.debian.org/security/2007/dsa-1362

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