1206 matches found
Apache2 - Transfer-Encoding Chunked XSS
Apache2 PHP before 5.6.38, 7.0.x before 7.0.32, 7.1.x before 7.1.22, and 7.2.x before 7.2.10 contain a reflected cross-site scripting vulnerability caused by mishandling of chunked transfer-encoding requests in sapi/apache2handler/sapiapache2.c. Attackers can execute malicious scripts via crafted...
mod_http2: Apache HTTP Server: HTTP/2 DoS by Memory Increase
A flaw was found in Apache HTTP Server. This late release of memory after effective lifetime vulnerability allows a remote, unauthenticated attacker to cause a denial of service DoS. The vulnerability can lead to resource exhaustion, making the server unavailable to legitimate users...
httpd: mod_proxy_ajp: heap-based buffer over-read due to missing null-termination check
A flaw was found in the modproxyajp module of httpd. When processing AJP Apache JServ Protocol messages, the server fails to properly check if a string is null-terminated before attempting to read it, allowing an attacker or a malformed request to cause a heap-based buffer over-read. This issue...
Apache HTTP Server: mod_proxy_ajp: Apache HTTP Server mod_proxy_ajp: Arbitrary code execution via heap-based buffer overflow
A flaw was found in modproxyajp of Apache HTTP Server. This heap-based buffer overflow vulnerability allows a remote attacker, by connecting to a malicious AJP Apache JServ Protocol server, to send a specially crafted message. This message can cause modproxyajp to write attacker-controlled data...
CVE-2026-23697 Vtiger CRM < 8.4.0 Authenticated File Upload RCE via Documents Module
Vtiger CRM before 8.4.0 contains an authenticated file upload vulnerability that allows low-privileged users to achieve remote code execution by uploading a .phar file containing arbitrary PHP code through the Documents module, bypassing the extension denylist in config.inc.php which omits the...
SUSE-SU-2026:2735-1 Security update for apache2
This update for apache2 fixes the following issues - CVE-2026-29167: modldap per-dir use-after-free bsc1267976. - CVE-2026-29170: modproxyftp XSS bsc1267977. - CVE-2026-34355: modproxyhtml buffer overflow bsc1267978. - CVE-2026-34356: malicious backend servers can lead to a heap-based buffer...
httpd: Apache HTTP Server: Heap-based Buffer Overflow via malicious backend servers
A flaw was found in Apache HTTP Server. This heap-based buffer overflow vulnerability can be exploited by a malicious backend server when using ProxyPassReverseCookie directives. This could lead to a denial of service DoS condition, making the server unavailable to legitimate users...
httpd: Apache HTTP Server: Buffer Over-read via outbound OCSP requests to attacker-controlled server
A flaw was found in Apache HTTP Server. This buffer over-read vulnerability occurs when the server processes outbound Online Certificate Status Protocol OCSP requests directed to an attacker-controlled OCSP server. This could allow a remote attacker to read sensitive information from memory or...
SUSE SLES16: apache2 / apache2-devel / apache2-event / apache2-manual / etc (SUSE-SU-2026:22209-1)
The remote SUSE Linux SLES16 / SLESSAP16 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:22209-1 advisory. This update for apache2 fixes the following issues - CVE-2026-23918: http2: double free and possible RCE on early reset bsc1263957...
CVE-2026-48946
The K2 frontend article-attachment upload path accepts files whose extension is .php, and Apache's standard modphp matches .php$ and executes them under the K2 web user. A K2 Author can upload a shell.php, then fetch /media/k2/attachments/shell.php and execute arbitrary PHP code in the web...
RHSA-2026:27200 Red Hat Security Advisory: Red Hat JBoss Core Services Apache HTTP Server 2.4.62 SP4 security update
Bulletin has no description...
mod_http2: Apache HTTP Server: HTTP/2 DoS by Memory Increase
A flaw was found in Apache HTTP Server. This late release of memory after effective lifetime vulnerability allows a remote, unauthenticated attacker to cause a denial of service DoS. The vulnerability can lead to resource exhaustion, making the server unavailable to legitimate users...
httpd: NULL pointer dereference via specially crafted request
A flaw was found in the moddavlock module of httpd. This vulnerability allows a remote unauthenticated attacker to crash the server due to a NULL pointer dereference via a specially crafted request...
mod_http2: Apache HTTP Server: HTTP/2 DoS by Memory Increase
A flaw was found in Apache HTTP Server. This late release of memory after effective lifetime vulnerability allows a remote, unauthenticated attacker to cause a denial of service DoS. The vulnerability can lead to resource exhaustion, making the server unavailable to legitimate users...
httpd: mod_proxy_ajp: heap-based buffer over-read due to missing null-termination check
A flaw was found in the modproxyajp module of httpd. When processing AJP Apache JServ Protocol messages, the server fails to properly check if a string is null-terminated before attempting to read it, allowing an attacker or a malformed request to cause a heap-based buffer over-read. This issue...
Astra Linux – Vulnerability in Apache2
If LimitXMLRequestBody is set to allow request bodies larger than 350MB default is 1MB on 32-bit systems, an integer overflow may occur, which can lead to out-of-bounds writes. This issue affects Apache HTTP Server 2.4.52 and earlier versions...
Astra Linux – Vulnerability in Apache2
Apache HTTP Server versions 2.4.0 to 2.4.46: A specially crafted Cookie header handled by modsession can lead to a NULL pointer dereferencing and crash, potentially causing a Denial Of Service attack...
Astra Linux – Vulnerability in Apache2
Apache HTTP Server versions 2.4.41 to 2.4.46 with modproxyhttp can become unstable when processing specially crafted requests that use both Content-Length and Transfer-Encoding headers. This can lead to a denial of service attack...
Astra Linux – Vulnerability in Apache2
Apache HTTP Server versions 2.4.39 to 2.4.46: unexpected matching behavior with "MergeSlashes OFF"...
Astra Linux – Vulnerability in Apache2
In Apache HTTP Server versions 2.4.0 to 2.4.46, a specially crafted SessionHeader sent by an origin server could lead to a heap overflow...