Astra Linux – Vulnerability in Apache2

Inconsistent interpretation of HTTP requests: The “HTTP Request Smuggling” vulnerability in modproxyajp of the Apache HTTP Server allows an attacker to secretly send requests to the AJP server to which the server forwards requests. This issue affects the Apache HTTP Server version 2.4.54 and...

Astra Linux – Vulnerability in Apache2

In certain proxy configurations, a denial-of-service attack against Apache HTTP Server versions 2.4.26 through 2.4.63 can occur when untrusted clients trigger an assertion in modproxyhttp2. The configurations affected include reverse proxies configured for HTTP/2 backends, where ProxyPreserveHost...

Astra Linux – Vulnerability in Apache2

A carefully crafted request body can cause a buffer overflow in the modlua multipart parser r:parsebody called from Lua scripts. The Apache httpd team is not aware of an exploit for this vulnerability, but it might be possible to create one. This issue affects Apache HTTP Server 2.4.51 and earlie...

Astra Linux – Vulnerability in Apache2

Heap-based Buffer Overflow vulnerability in modproxyajp of Apache HTTP Server. If modproxyajp connects to a malicious AJP server, that malicious AJP server can send a malicious AJP message back to modproxyajp, causing it to write 4 bytes controlled by the attacker after the end of a heap-based...

CVE-2026-54789

modauthopenidc is an OpenID Certified authentication and authorization module for the Apache 2.x HTTP server that implements the OpenID Connect Relying Party functionality. Prior to 2.4.19.4, an out-of-bounds read and a one-byte out-of-bounds write exist in the state-cookie parser of...

CVE-2026-54789

mod_auth_openidc (Apache 2.x OpenID Connect Relying Party module) prior to 2.4.19.4 contains an out-of-bounds read and one-byte out-of-bounds write in oidc_state_cookies_parse_token() (src/state.c). The loop scanning for = in a cookie token does not stop at the string terminator, and the cookie !...

Exploit for Memory Allocation with Excessive Size Value in Apache Http_Server

CVE-2026-49975 HTTP/2 Bomb ★ CVE-2026-49975 HTTP/2 Bomb PoC ★...

Oracle Essbase (August 2026 CSPU)

The version of Oracle Essbase installed on the remote host is missing a security patch from the August 2026 Critical Security Patch Update CSPU. It is, therefore, affected by multiple vulnerabilities: - Vulnerability in Oracle Essbase component: Essbase Web Platform Apache HTTP Server. The...

The vulnerability of the Apache HTTP Server web server, related to insecure management of privileges, allows attackers to elevate their own privileges.

The vulnerability of the Apache HTTP Server web server is related to insecure management of privileges. Exploiting this vulnerability can allow attackers to increase their privileges...

The vulnerability of the Apache HTTP Server’s web server, related to the disclosure of information in the erroneous data area, allows attackers to gain unauthorized access to the protected information.

The vulnerability of the Apache HTTP Server is related to the disclosure of information in the erroneous data area. Exploiting this vulnerability can allow an attacker, operating remotely, to gain unauthorized access to protected information...

Exploit for Path Traversal in Apache Http_Server

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httpd: Apache HTTP Server: Denial of Service via crafted regular expressions

A flaw was found in Apache HTTP Server. This buffer underwrite vulnerability occurs when processing crafted regular expressions in the server's configuration. An attacker could potentially exploit this to cause a denial of service...

httpd: Apache HTTP Server: Buffer overflow in mod_proxy_html allows security bypass

A vulnerability has been identified in the Apache HTTP Server. If the server is configured to connect to a malicious or compromised backend server, an attacker could exploit this flaw to bypass security controls or run unauthorized code on the system...

httpd: mod_http2: Apache HTTP Server mod_http2: Use After Free vulnerability allows arbitrary code execution or denial of service.

A flaw was found in the Apache HTTP Server's modhttp2 module. This vulnerability, known as a Use After Free, occurs when the server's file handles are exhausted. An attacker could potentially exploit this to cause a denial of service or, in some cases, execute arbitrary code, leading to system...

Important: Red Hat Security Advisory: Red Hat JBoss Core Services Apache HTTP Server 2.4.62 SP5 security update

Red Hat JBoss Core Services Apache HTTP Server 2.4.62 Service Pack 5 is now available. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

httpd: Apache HTTP Server: Heap-based Buffer Overflow via untrusted content in mod_xml2enc

A flaw was found in Apache HTTP Server, specifically within the modxml2enc module. This heap-based buffer overflow vulnerability can be triggered when processing untrusted content through the xml2StartParse function. A remote attacker could potentially exploit this to cause a denial of service,...

httpd: Apache HTTP Server: Denial of Service in mod_proxy_ftp via attacker-controlled FTP server

A flaw was found in the modproxyftp module of the Apache HTTP Server. A remote attacker, by controlling a backend File Transfer Protocol FTP server, can trigger an infinite loop. This vulnerability, categorized as a Loop with Unreachable Exit Condition, leads to a Denial of Service DoS for the...

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...

httpd: Apache HTTP Server: Out-of-bounds Read in mod_headers and mod_mime

A flaw was found in Apache HTTP Server. An out-of-bounds read vulnerability exists when modheaders and modmime are used with multiple response languages. This could allow a remote attacker to disclose sensitive information from memory or cause a denial of service...