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    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.

    Published:Jul 24, 2007
    Last Modified:Apr 23, 2026
    EPS:Jul 24, 2007
    EPSS Score:0.04694
    CVSS Score:6.4

    Affected Products

    Vendor
    Lighttpd
    Product
    Lighttpd

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2025-12642 (CVSS 6.9) — lighttpd1.4.80 incorrectly merged trailer fields into headers after http request parsing. This behavior can be…
    CVE-2025-8759 (CVSS 2.9) — A vulnerability was found in TRENDnet TN-200 1.02b02. It has been declared as problematic. This vulnerability …
    CVE-2018-25103 (CVSS 5.3) — There exists use-after-free vulnerabilities in lighttpd <= 1.4.50 request parsing which might read from invali…
    CVE-2022-41556 (CVSS 7.5) — A resource leak in gw_backend.c in lighttpd 1.4.56 through 1.4.66 could lead to a denial of service (connectio…
    CVE-2022-37797 (CVSS 7.5) — In lighttpd 1.4.65, mod_wstunnel does not initialize a handler function pointer if an invalid HTTP request (we…
    CVE-2022-30780 (CVSS 7.5) — Lighttpd 1.4.56 through 1.4.58 allows a remote attacker to cause a denial of service (CPU consumption from stu…
    CVE-2022-22707 (CVSS 5.9) — In lighttpd 1.4.46 through 1.4.63, the mod_extforward_Forwarded function of the mod_extforward plugin has a st…
    CVE-2019-11072 (CVSS 9.8) — lighttpd before 1.4.54 has a signed integer overflow, which might allow remote attackers to cause a denial of …
    CVE-2018-19052 (CVSS 7.5) — An issue was discovered in mod_alias_physical_handler in mod_alias.c in lighttpd before 1.4.50. There is poten…
    CVE-2015-3200 (CVSS 7.5) — mod_auth in lighttpd before 1.4.36 allows remote attackers to inject arbitrary log entries via a basic HTTP au…

    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
    http://www.novell.com/linux/security/advisories/2007_15_sr.html
    http://www.securityfocus.com/archive/1/474131/100/0/threaded
    http://www.securityfocus.com/bid/24967
    http://www.vupen.com/english/advisories/2007/2585
    https://issues.rpath.com/browse/RPL-1550
    https://issues.rpath.com/browse/RPL-1554
    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
    http://www.novell.com/linux/security/advisories/2007_15_sr.html
    http://www.securityfocus.com/archive/1/474131/100/0/threaded
    http://www.securityfocus.com/bid/24967
    http://www.vupen.com/english/advisories/2007/2585
    https://issues.rpath.com/browse/RPL-1550
    https://issues.rpath.com/browse/RPL-1554

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High