Input validation

A crafted method sent through HTTP/2 will bypass validation and be forwarded by modproxy, which can lead to request splitting or cache poisoning. This issue affects Apache HTTP Server 2.4.17 to 2.4.48...

UBUNTU-CVE-2021-33193

A crafted method sent through HTTP/2 will bypass validation and be forwarded by modproxy, which can lead to request splitting or cache poisoning. This issue affects Apache HTTP Server 2.4.17 to 2.4.48...

KLA12266 DoS vulnerability in Mozilla Thunderbird

Header splitting vulnerability was found in Mozilla Thunderbird. Malicious users can exploit this vulnerability to cause denial of service. Original advisories MFSA2021-37 Exploitation Related products Mozilla-Thunderbird CVE list CVE-2021-29991 unknown Solution Update to the latest version...

CVE-2021-33193: Undefined Security Weakness

A crafted method sent through HTTP/2 will bypass validation and be forwarded by modproxy, which can lead to request splitting or cache poisoning. This issue affects Apache HTTP Server 2.4.17 to 2.4.48...

CVE-2021-33193 Request splitting via HTTP/2 method injection and mod_proxy

A crafted method sent through HTTP/2 will bypass validation and be forwarded by modproxy, which can lead to request splitting or cache poisoning. This issue affects Apache HTTP Server 2.4.17 to 2.4.48...

CVE-2021-33193

A crafted method sent through HTTP/2 will bypass validation and be forwarded by modproxy, which can lead to request splitting or cache poisoning. This issue affects Apache HTTP Server 2.4.17 to 2.4.48...

CVE-2021-33193

CVE-2021-33193 describes a vulnerability in Apache HTTP Server where a crafted HTTP/2 method can bypass validation and be forwarded by mod_proxy, potentially enabling request splitting or cache poisoning. The issue affects Apache httpd versions 2.4.17 through 2.4.48. Connected advisories and noti...

PT-2021-5250

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 91.0.1 Thunderbird versions prior to 91.0.1 Description The issue is related to the incorrect handling of HTTP requests, which can lead to a header splitting attack against servers using HTTP/3. This allows a remote...

CVE-2021-33193

A crafted method sent through HTTP/2 will bypass validation and be forwarded by modproxy, which can lead to request splitting or cache poisoning. This issue affects Apache HTTP Server 2.4.17 to 2.4.48...

Security Vulnerabilities fixed in Firefox 91.0.1 and Thunderbird 91.0.1 — Mozilla

Firefox incorrectly accepted a newline in a HTTP/3 header, interpreting it as two separate headers. This allowed for a header splitting attack against servers using HTTP/3...

KLA12265 DoS vulnerability in Mozilla Firefox

Header splitting vulnerability was found in Mozilla Firefox. Malicious users can exploit this vulnerability to cause denial of service. Original advisories MFSA2021-37 Exploitation Related products Mozilla-Firefox CVE list CVE-2021-29991 unknown Solution Update to the latest version Download...

Privilege Escalation

apache2 is vulnerability to privilege escalation. An attacker may exploit the vulnerability by sending a crafted method through HTTP/2 which will bypass validation and be forwarded by modproxy, which can lead to request splitting or cache poisoning...

HTTP Request Smuggling in Web Proxies

Overview HTTP web proxies and web accelerators that support HTTP/2 for an HTTP/1.1 backend webserver are vulnerable to HTTP Request Smuggling. Description The affected systems allow invalid characters such as carriage return and newline characters in HTTP/2 headers. When an attacker passes these...

CVE-2021-32598

An improper neutralization of CRLF sequences in HTTP headers 'HTTP Response Splitting' vulnerability In FortiManager and FortiAnalyzer GUI 7.0.0, 6.4.6 and below, 6.2.8 and below, 6.0.11 and below, 5.6.11 and below may allow an authenticated and remote attacker to perform an HTTP request splittin...

CVE-2021-32598

An improper neutralization of CRLF sequences in HTTP headers 'HTTP Response Splitting' vulnerability In FortiManager and FortiAnalyzer GUI 7.0.0, 6.4.6 and below, 6.2.8 and below, 6.0.11 and below, 5.6.11 and below may allow an authenticated and remote attacker to perform an HTTP request splittin...

Crlf injection

An improper neutralization of CRLF sequences in HTTP headers 'HTTP Response Splitting' vulnerability In FortiManager and FortiAnalyzer GUI 7.0.0, 6.4.6 and below, 6.2.8 and below, 6.0.11 and below, 5.6.11 and below may allow an authenticated and remote attacker to perform an HTTP request splittin...

CVE-2021-32598

An improper neutralization of CRLF sequences in HTTP headers 'HTTP Response Splitting' vulnerability In FortiManager and FortiAnalyzer GUI 7.0.0, 6.4.6 and below, 6.2.8 and below, 6.0.11 and below, 5.6.11 and below may allow an authenticated and remote attacker to perform an HTTP request splittin...

CVE-2021-32598

An improper neutralization of CRLF sequences in HTTP headers 'HTTP Response Splitting' vulnerability In FortiManager and FortiAnalyzer GUI 7.0.0, 6.4.6 and below, 6.2.8 and below, 6.0.11 and below, 5.6.11 and below may allow an authenticated and remote attacker to perform an HTTP request splittin...

CVE-2021-32598

An improper neutralization of CRLF sequences in HTTP headers 'HTTP Response Splitting' vulnerability In FortiManager and FortiAnalyzer GUI 7.0.0, 6.4.6 and below, 6.2.8 and below, 6.0.11 and below, 5.6.11 and below may allow an authenticated and remote attacker to perform an HTTP request splittin...

CVE-2021-32598

CVE-2021-32598 affects Fortinet FortiManager and FortiAnalyzer GUI. A vulnerability in how CRLF sequences are handled in HTTP headers enables an HTTP response splitting attack, allowing an authenticated, remote attacker to control the remaining response headers and body. Affected products/version...