In lighttpd 1.4.65, mod_wstunnel does not initialize a handler function pointer if an invalid HTTP request (websocket handshake) is received. It leads to null pointer dereference which crashes the server. It could be used by an external attacker to cause denial of service condition.
Max CVSS
7.5
EPSS Score
0.14%
Published
2022-09-12
Updated
2022-12-03
In lighttpd 1.4.46 through 1.4.63, the mod_extforward_Forwarded function of the mod_extforward plugin has a stack-based buffer overflow (4 bytes representing -1), as demonstrated by remote denial of service (daemon crash) in a non-default configuration. The non-default configuration requires handling of the Forwarded header in a somewhat unusual manner. Also, a 32-bit system is much more likely to be affected than a 64-bit system.
Max CVSS
5.9
EPSS Score
2.25%
Published
2022-01-06
Updated
2022-01-13
Use-after-free vulnerability in lighttpd before 1.4.33 allows remote attackers to cause a denial of service (segmentation fault and crash) via unspecified vectors that trigger FAMMonitorDirectory failures.
Max CVSS
5.0
EPSS Score
2.89%
Published
2013-11-20
Updated
2021-03-04
Integer signedness error in the base64_decode function in the HTTP authentication functionality (http_auth.c) in lighttpd 1.4 before 1.4.30 and 1.5 before SVN revision 2806 allows remote attackers to cause a denial of service (segmentation fault) via crafted base64 input that triggers an out-of-bounds read with a negative index.
Max CVSS
5.0
EPSS Score
2.57%
Published
2011-12-24
Updated
2021-03-04
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.
Max CVSS
5.8
EPSS Score
10.79%
Published
2007-07-24
Updated
2018-10-15
lighttpd before 1.4.14 allows attackers to cause a denial of service (crash) via a request to a file whose mtime is 0, which results in a NULL pointer dereference.
Max CVSS
7.8
EPSS Score
4.22%
Published
2007-04-18
Updated
2018-10-16
6 vulnerabilities found
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