CVE-2007-3946
mod_auth (http_auth.c) in lighttpd before 1.4.16 allows remote attackers to cause a denial of...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2007-3946- CVSS 2.0
- 6.4 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2007-3946- Updated
- 2026-11-02
EUVDEUVD-2007-3930 No score
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.
- Record
EUVD-2007-3930- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-2xvj-x73g-2j9w No score
mod_auth (http_auth.c) in lighttpd before 1.4.16 allows remote attackers to cause a denial of...
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.
- Record
GHSA-2xvj-x73g-2j9w- Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2007-3946- Updated
- 2026-11-02
OSVDEBIAN-CVE-2007-3946 No score
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.
- Record
DEBIAN-CVE-2007-3946- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
lighttpdDebian:12 |
before 1.4.16-1 | 1.4.16-1 |
lighttpdDebian:13 |
before 1.4.16-1 | 1.4.16-1 |
lighttpdDebian:14 |
before 1.4.16-1 | 1.4.16-1 |
lighttpdDebian:4.0 From an advisory covering 5 CVEs |
before 1.4.13-4etch4, plus listed versions 1.4.13-41.4.13-4etch11.4.13-4etch21.4.13-4etch3 |
1.4.13-4etch4 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| affected, aliases, facts, references, title | GitHub Advisories, OSV | |
| first indexed | CVE List, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2007-3946 is a medium vulnerability (CVSS 6.4) in Lighttpd, published July 24, 2007. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.42%, the 88th percentile. Fixed in lighttpd 1.4.16-1.
References
secunia.com/advisories/26158
osvdb.org/38314
vupen.com/english/advisories/2007/2585
issues.rpath.com/browse/RPL-1550
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securityfocus.com/archive/1/474131/100/0/threaded
debian.org/security/2007/dsa-1362
trac.lighttpd.net/trac/changeset/1875
security.gentoo.org/glsa/glsa-200708-11.xml
novell.com/linux/security/advisories/2007_15_sr.html
nvd.nist.gov/vuln/detail/CVE-2007-3946
github.com/advisories/GHSA-2xvj-x73g-2j9w
security-tracker.debian.org/tracker/CVE-2007-3946