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An attacker, opening a HTTP/2 connection with an initial window size of 0, was able to block handling of that connection indefinitely in Apache HTTP Server. This could be used to exhaust worker resources in the server, similar to...
1 affected package
apache2
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| apache2 | — | — | Not affected | Not affected | Not affected |
Out-of-bounds Read vulnerability in mod_macro of Apache HTTP Server.This issue affects Apache HTTP Server: through 2.4.57.
1 affected package
apache2
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| apache2 | — | — | Fixed | Fixed | Fixed |
mod_auth_openidc is an authentication and authorization module for the Apache 2.x HTTP server that implements the OpenID Connect Relying Party functionality. In versions 2.0.0 through 2.4.13.1, when `OIDCStripCookies` is set and a...
1 affected package
libapache2-mod-auth-openidc
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| libapache2-mod-auth-openidc | Not affected | Not affected | Vulnerable | Vulnerable | Vulnerable |
HTTP Response Smuggling vulnerability in Apache HTTP Server via mod_proxy_uwsgi. This issue affects Apache HTTP Server: from 2.4.30 through 2.4.55. Special characters in the origin response header can truncate/split the response...
1 affected package
apache2
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| apache2 | — | — | Fixed | Fixed | Not affected |
Some fixes available 12 of 13
Some mod_proxy configurations on Apache HTTP Server versions 2.4.0 through 2.4.55 allow a HTTP Request Smuggling attack. Configurations are affected when mod_proxy is enabled along with some form of RewriteRule or ProxyPassMatch...
1 affected package
apache2
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| apache2 | Fixed | Fixed | Fixed | Fixed | Fixed |
Some fixes available 12 of 13
Prior to Apache HTTP Server 2.4.55, a malicious backend can cause the response headers to be truncated early, resulting in some headers being incorporated into the response body. If the later headers have any security purpose,...
1 affected package
apache2
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| apache2 | Fixed | Fixed | Fixed | Fixed | Fixed |
Some fixes available 12 of 13
Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') vulnerability in mod_proxy_ajp of Apache HTTP Server allows an attacker to smuggle requests to the AJP server it forwards requests to. This issue affects...
1 affected package
apache2
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| apache2 | Fixed | Fixed | Fixed | Fixed | Fixed |
Some fixes available 12 of 13
A carefully crafted If: request header can cause a memory read, or write of a single zero byte, in a pool (heap) memory location beyond the header value sent. This could cause the process to crash. This issue affects Apache HTTP...
1 affected package
apache2
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| apache2 | Fixed | Fixed | Fixed | Fixed | Fixed |
mod_auth_openidc is an OpenID Certified™ authentication and authorization module for the Apache 2.x HTTP server. Versions prior to 2.4.12.2 are vulnerable to Open Redirect. When providing a logout parameter to the redirect URI,...
1 affected package
libapache2-mod-auth-openidc
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| libapache2-mod-auth-openidc | Not affected | Not affected | Vulnerable | Vulnerable | Vulnerable |
Some fixes available 13 of 80
In libexpat through 2.4.9, there is a use-after free caused by overeager destruction of a shared DTD in XML_ExternalEntityParserCreate in out-of-memory situations.
24 affected packages
xmlrpc-c, cableswig, apache2, apr-util, cmake...
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| xmlrpc-c | Needs evaluation | Needs evaluation | Needs evaluation | Ignored | Ignored |
| cableswig | — | — | Not in release | Not in release | Not in release |
| apache2 | Not affected | Not affected | Not affected | Not affected | Not affected |
| apr-util | Not affected | Not affected | Not affected | Not affected | Not affected |
| cmake | Not affected | Not affected | Not affected | Not affected | Not affected |
| expat | Fixed | Fixed | Fixed | Fixed | Fixed |
| ghostscript | Not affected | Not affected | Not affected | Not affected | Not affected |
| swish-e | Needs evaluation | Needs evaluation | Needs evaluation | Ignored | Ignored |
| texlive-bin | Not affected | Not affected | Not affected | Not affected | Not affected |
| vnc4 | — | — | Not in release | Not in release | Ignored |
| wbxml2 | Needs evaluation | Needs evaluation | Needs evaluation | Ignored | Ignored |
| ayttm | — | — | Not in release | Not in release | Not in release |
| cadaver | Needs evaluation | Needs evaluation | Needs evaluation | Ignored | Ignored |
| coin3 | Not affected | Not affected | Not affected | Not affected | Ignored |
| firefox | Not affected | Not affected | Not affected | Not in release | Ignored |
| gdcm | Not affected | Not affected | Not affected | Not affected | Not affected |
| insighttoolkit | — | — | Not in release | Not in release | Not in release |
| insighttoolkit4 | Not in release | Not in release | Not affected | Not affected | Not affected |
| libxmltok | Not in release | Not affected | Not affected | Not affected | Not affected |
| matanza | Ignored | Ignored | Ignored | Ignored | Ignored |
| smart | — | — | Not in release | Not in release | Not affected |
| tdom | Needs evaluation | Needs evaluation | Needs evaluation | Ignored | Ignored |
| thunderbird | Ignored | Ignored | Ignored | Not in release | Ignored |
| vtk | — | — | Not in release | Not in release | Not in release |