Null pointer dereference

Malformed requests may cause the server to dereference a NULL pointer. This issue affects Apache HTTP Server 2.4.48 and earlier...

CVE-2021-34798

Malformed requests may cause the server to dereference a NULL pointer. This issue affects Apache HTTP Server 2.4.48 and earlier...

Design/Logic Flaw

A carefully crafted request uri-path can cause modproxyuwsgi to read above the allocated memory and crash DoS. This issue affects Apache HTTP Server versions 2.4.30 to 2.4.48 inclusive...

Input validation

apescapequotes may write beyond the end of a buffer when given malicious input. No included modules pass untrusted data to these functions, but third-party / external modules may. This issue affects Apache HTTP Server 2.4.48 and earlier...

Design/Logic Flaw

A crafted request uri-path can cause modproxy to forward the request to an origin server choosen by the remote user. This issue affects Apache HTTP Server 2.4.48 and earlier...

CVE-2021-39275

apescapequotes may write beyond the end of a buffer when given malicious input. No included modules pass untrusted data to these functions, but third-party / external modules may. This issue affects Apache HTTP Server 2.4.48 and earlier...

CVE-2021-40438

A crafted request uri-path can cause modproxy to forward the request to an origin server choosen by the remote user. This issue affects Apache HTTP Server 2.4.48 and earlier...

CVE-2021-36160

A carefully crafted request uri-path can cause modproxyuwsgi to read above the allocated memory and crash DoS. This issue affects Apache HTTP Server versions 2.4.30 to 2.4.48 inclusive...

CVE-2021-40438 mod_proxy SSRF

A crafted request uri-path can cause modproxy to forward the request to an origin server choosen by the remote user. This issue affects Apache HTTP Server 2.4.48 and earlier...

CVE-2021-40438

A crafted request uri-path can cause modproxy to forward the request to an origin server choosen by the remote user. This issue affects Apache HTTP Server 2.4.48 and earlier...

CVE-2021-40438 mod_proxy SSRF

A crafted request uri-path can cause modproxy to forward the request to an origin server choosen by the remote user. This issue affects Apache HTTP Server 2.4.48 and earlier...

CVE-2021-40438

A crafted request uri-path can cause modproxy to forward the request to an origin server choosen by the remote user. This issue affects Apache HTTP Server 2.4.48 and earlier...

CVE-2021-40438

CVE-2021-40438 is an SSRF flaw in Apache HTTP Server 2.4.x through older revisions where a crafted request URI path can cause mod_proxy to forward the request to an origin server chosen by the remote user. The issue affects Apache httpd 2.4.48 and earlier; the CVSSv3.1 base score is 9.0 (CRITICAL...

CVE-2021-39275 ap_escape_quotes buffer overflow

apescapequotes may write beyond the end of a buffer when given malicious input. No included modules pass untrusted data to these functions, but third-party / external modules may. This issue affects Apache HTTP Server 2.4.48 and earlier...

CVE-2021-39275

apescapequotes may write beyond the end of a buffer when given malicious input. No included modules pass untrusted data to these functions, but third-party / external modules may. This issue affects Apache HTTP Server 2.4.48 and earlier...

CVE-2021-39275

apescapequotes may write beyond the end of a buffer when given malicious input. No included modules pass untrusted data to these functions, but third-party / external modules may. This issue affects Apache HTTP Server 2.4.48 and earlier...

CVE-2021-39275

CVE-2021-39275 affects Apache HTTP Server (httpd) up to 2.4.48 and earlier. The issue is an out-of-bounds write in ap_escape_quotes() when given malicious input, potentially crashing the server or enabling code execution in some environments. Several connected sources concur this vulnerability ex...

CVE-2021-36160 mod_proxy_uwsgi out of bound read

A carefully crafted request uri-path can cause modproxyuwsgi to read above the allocated memory and crash DoS. This issue affects Apache HTTP Server versions 2.4.30 to 2.4.48 inclusive...

CVE-2021-36160

CVE-2021-36160 affects Apache HTTP Server mod_proxy_uwsgi. A crafted request URI-path can cause mod_proxy_uwsgi to read beyond allocated memory, triggering a DoS. The issue is reported for Apache httpd versions 2.4.30–2.4.48. Public sources in connected documents corroborate the impact as an out-...

CVE-2021-34798

CVE-2021-34798 is a vulnerability in Apache HTTP Server where malformed requests may cause a NULL pointer dereference in the httpd core. The issue affects Apache HTTP Server 2.4.48 and earlier, and the resulting crash can lead to a Denial of Service. Multiple connected advisories confirm the same...