Vulnerabilities > Apache > Http Server > 2.4.42

DATE CVE VULNERABILITY TITLE RISK
2021-09-16 CVE-2021-34798 NULL Pointer Dereference vulnerability in multiple products
Malformed requests may cause the server to dereference a NULL pointer.
7.5
2021-09-16 CVE-2021-36160 Out-of-bounds Read vulnerability in multiple products
A carefully crafted request uri-path can cause mod_proxy_uwsgi to read above the allocated memory and crash (DoS).
7.5
2021-09-16 CVE-2021-39275 Out-of-bounds Write vulnerability in multiple products
ap_escape_quotes() may write beyond the end of a buffer when given malicious input.
network
low complexity
apache fedoraproject debian netapp oracle siemens CWE-787
critical
9.8
2021-09-16 CVE-2021-40438 Server-Side Request Forgery (SSRF) vulnerability in multiple products
A crafted request uri-path can cause mod_proxy to forward the request to an origin server choosen by the remote user.
network
high complexity
apache fedoraproject debian netapp f5 oracle siemens CWE-918
critical
9.0
2021-08-16 CVE-2021-33193 A crafted method sent through HTTP/2 will bypass validation and be forwarded by mod_proxy, which can lead to request splitting or cache poisoning.
network
low complexity
apache fedoraproject tenable oracle
7.5
2021-06-10 CVE-2019-17567 HTTP Request Smuggling vulnerability in multiple products
Apache HTTP Server versions 2.4.6 to 2.4.46 mod_proxy_wstunnel configured on an URL that is not necessarily Upgraded by the origin server was tunneling the whole connection regardless, thus allowing for subsequent requests on the same connection to pass through with no HTTP validation, authentication or authorization possibly configured.
network
low complexity
apache fedoraproject oracle CWE-444
5.3
2021-06-10 CVE-2020-13950 NULL Pointer Dereference vulnerability in multiple products
Apache HTTP Server versions 2.4.41 to 2.4.46 mod_proxy_http can be made to crash (NULL pointer dereference) with specially crafted requests using both Content-Length and Transfer-Encoding headers, leading to a Denial of Service
network
low complexity
apache debian fedoraproject oracle CWE-476
7.5
2021-06-10 CVE-2021-30641 Apache HTTP Server versions 2.4.39 to 2.4.46 Unexpected matching behavior with 'MergeSlashes OFF'
network
low complexity
apache debian fedoraproject oracle
5.3
2020-08-07 CVE-2020-9490 HTTP Request Smuggling vulnerability in multiple products
Apache HTTP Server versions 2.4.20 to 2.4.43.
7.5
2020-08-07 CVE-2020-11993 HTTP Request Smuggling vulnerability in multiple products
Apache HTTP Server versions 2.4.20 to 2.4.43 When trace/debug was enabled for the HTTP/2 module and on certain traffic edge patterns, logging statements were made on the wrong connection, causing concurrent use of memory pools.
7.5