Unity Linux 20.1050e / 20.1060e / 20.1070-8ae / 20.1070e Security Update: httpd (UTSA-2023-003819)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2023-003819 advisory. Apache HTTP Server 2.4.53 and earlier may not send the X-Forwarded- headers to the origin server based on client side Connection header hop-by-hop mechanism. This ma...

Unity Linux 20.1050e / 20.1060e / 20.1070-8ae / 20.1070e Security Update: httpd (UTSA-2023-003824)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2023-003824 advisory. Inconsistent Interpretation of HTTP Requests 'HTTP Request Smuggling' vulnerability in modproxyajp of Apache HTTP Server allows an attacker to smuggle requests to th...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: httpd (UTSA-2023-003837)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2023-003837 advisory. Apache HTTP Server versions 2.4.20 to 2.4.43. A specially crafted value for the 'Cache-Digest' header in a HTTP/2 request would result in a crash when the server...

CVE-2026-54135 AirSane has a Remote Denial of Service (OOM) via Unvalidated Content-Length in HTTP Server

AirSane is a SANE frontend, and a scanner server that supports Apple's AirScan protocol. Versions prior to 0.4.12 have a vulnerability in the custom HTTP server implementation of AirSane that allows a remote unauthenticated attacker to cause a Denial of Service DoS via memory exhaustion OOM. In...

CVE-2026-54135

AirSane is a SANE frontend and scanner server supporting Apple's AirScan protocol. Versions prior to 0.4.12 are vulnerable to a remote, unauthenticated Denial of Service (OOM) in its custom HTTP server. The root cause lies in the HttpServer::Request::content function in httpserver.cpp, which read...

EUVD-2026-76482

AirSane is a SANE frontend, and a scanner server that supports Apple's AirScan protocol. Versions prior to 0.4.12 have a vulnerability in the custom HTTP server implementation of AirSane that allows a remote unauthenticated attacker to cause a Denial of Service DoS via memory exhaustion OOM. In...

CVE-2026-54135 AirSane has a Remote Denial of Service (OOM) via Unvalidated Content-Length in HTTP Server

AirSane is a SANE frontend, and a scanner server that supports Apple's AirScan protocol. Versions prior to 0.4.12 have a vulnerability in the custom HTTP server implementation of AirSane that allows a remote unauthenticated attacker to cause a Denial of Service DoS via memory exhaustion OOM. In...

CVE-2026-54135 AirSane has a Remote Denial of Service (OOM) via Unvalidated Content-Length in HTTP Server

AirSane is a SANE frontend, and a scanner server that supports Apple's AirScan protocol. Versions prior to 0.4.12 have a vulnerability in the custom HTTP server implementation of AirSane that allows a remote unauthenticated attacker to cause a Denial of Service DoS via memory exhaustion OOM. In...

PT-2026-90053

AirSane is a SANE frontend, and a scanner server that supports Apple's AirScan protocol. Versions prior to 0.4.12 have a vulnerability in the custom HTTP server implementation of AirSane that allows a remote unauthenticated attacker to cause a Denial of Service DoS via memory exhaustion OOM. In...

USN-8571-2: Apache HTTP Server regression

USN-8571-1 fixed vulnerabilities in Apache HTTP Server. That fix was incomplete due to a missing library symbol, resulting in a regression that could cause Apache HTTP Server to fail to start when HTTP/2 proxying was enabled. This update fixes the problem. We apologize for the inconvenience...

USN-8571-2 apache2 regression

USN-8571-1 fixed vulnerabilities in Apache HTTP Server. That fix was incomplete due to a missing library symbol, resulting in a regression that could cause Apache HTTP Server to fail to start when HTTP/2 proxying was enabled. This update fixes the problem. We apologize for the inconvenience...

PraisonAI MCP HTTP server has unauthenticated unbounded session accumulation (memory exhaustion; session TTL never enforced)

SummaryThe PraisonAI MCP HTTP-stream server creates a new in-memory session on every initialize request and never removes it. The cleanup routine that would expire sessions cleanupsessions is defined but never called anywhere in the codebase, and the configured session TTL is never enforced. Ther...

PYSEC-2026-3899 praisonaiagents: AgentServer declares auth_token but never enforces it on any route

Researcher: Kai Aizen — SnailSploit @SnailSploit, Adversarial & Offensive Security Research Target: https://github.com/MervinPraison/PraisonAI --- Package: praisonaiagents on PyPI Affected version empirically tested: 1.6.48 Component: praisonaiagents.server.AgentServer the bundled HTTP / SSE serv...

Denial Of Service (DoS)

Spring AI is vulnerable to Denial of Service DoS. The vulnerability is due to the MCP Streamable HTTP server transport retaining an unbounded number of unauthenticated sessions, which allows a remote attacker to exhaust server memory over time and ultimately cause a denial of service affecting...

Important: Red Hat Security Advisory: httpd security update

An update for httpd is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions. 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...

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...

httpd: Apache HTTP Server: Arbitrary code execution or denial of service via use-after-free in mod_ldap per-directory configuration

A flaw was found in Apache HTTP Server when using the modldap module in a per-directory configuration. This use-after-free vulnerability allows a remote attacker to potentially execute arbitrary code or cause a denial of service DoS due to improper memory handling. This could lead to system...

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: 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: 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,...