DEBIAN-CVE-2026-8258

A flaw has been found in Squirrel up to 3.2. Impacted is the function validateformat in the library sqstdlib/sqstdstring.cpp. Executing a manipulation can lead to stack-based buffer overflow. The attack can only be executed locally. The exploit has been published and may be used. The project was...

Stack-based Buffer Overflow

Overview Affected versions of this package are vulnerable to Stack-based Buffer Overflow in the validateformat function. An attacker can execute arbitrary code or cause a denial of service by providing specially crafted input that triggers a stack-based buffer overflow. Remediation A fix was push...

CVE-2026-8258 Squirrel sqstdstring.cpp validate_format stack-based overflow

A flaw has been found in Squirrel up to 3.2. Impacted is the function validateformat in the library sqstdlib/sqstdstring.cpp. Executing a manipulation can lead to stack-based buffer overflow. The attack can only be executed locally. The exploit has been published and may be used. The project was...

CVE-2026-8258

A flaw has been found in Squirrel up to 3.2. Impacted is the function validateformat in the library sqstdlib/sqstdstring.cpp. Executing a manipulation can lead to stack-based buffer overflow. The attack can only be executed locally. The exploit has been published and may be used. The project was...

CVE-2026-8258

A flaw has been found in Squirrel up to 3.2. Impacted is the function validateformat in the library sqstdlib/sqstdstring.cpp. Executing a manipulation can lead to stack-based buffer overflow. The attack can only be executed locally. The exploit has been published and may be used. The project was...

SQUIRREL 缓冲区错误漏洞

SQUIRREL is a programming language developed by Alberto Demichelis. It is the stable version of SQUIRREL 3.2. Versions of SQUIRREL 3.2 and earlier had a buffer error vulnerability, which stemmed from a stack buffer overflow in the validateformat function within the sqstdlib/sqstdstring.cpp librar...

PT-2026-39551

A flaw has been found in Squirrel up to 3.2. Impacted is the function validate format in the library sqstdlib/sqstdstring.cpp. Executing a manipulation can lead to stack-based buffer overflow. The attack can only be executed locally. The exploit has been published and may be used. The project was...

Linux Distros Unpatched Vulnerability : CVE-2026-8258

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw has been found in Squirrel up to 3.2. Impacted is the function validateformat in the library sqstdlib/sqstdstring.cpp. Executing a manipulation can lead ...

Unity Linux 20.1060e / 20.1070e Security Update: php (UTSA-2026-017575)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017575 advisory. In PHP versions 7.3.x below 7.3.29, 7.4.x below 7.4.21 and 8.0.x below 8.0.8, when using URL validation functionality via filtervar function with FILTERVALIDATEURL...

Directory Traversal

Overview Affected versions of this package are vulnerable to Directory Traversal in validatefilepath in viewcomponentssystemtestcontroller.rb, which is accessible via the system test entrypoint. An attacker with access to this endpoint, which is mounted in Rails.env.test?, can read files in a...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling when handling excessively large HTTP request bodies. A malicious pod on the same cluster can exhaust system memory and trigger an OOM condition. Remediation Upgrade...

Server-side Request Forgery (SSRF)

Overview bugsink is a Self-hosted Error Tracking Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the validatewebhookurl process. An attacker can cause the application to send outbound HTTP POST requests to unintended hosts, including internal or...

CVE-2026-42449 n8n-MCP: IPv4-mapped IPv6 addresses bypass SSRF protection in validateUrlSync(), enabling full SSRF for SDK embedders

n8n-MCP is an MCP server that provides AI assistants access to n8n node documentation, properties, and operations. In versions 2.47.4 through 2.47.13, the SDK embedder path N8NDocumentationMCPServer constructor, getN8nApiClient, and validateInstanceContext, the synchronous URL validator in...

CVE-2026-42449

Summary: CVE-2026-42449 affects n8n-mcp SDK embedder paths where SSRF protection (SSRFProtection.validateUrlSync) fails to validate IPv4-mapped IPv6 addresses, enabling an attacker-controlled n8nApiUrl to cause the server to make HTTP requests to internal networks, cloud metadata endpoints, or lo...

CVE-2026-41669

Admidio is an open-source user management solution. Prior to version 5.0.9, the Admidio SAML Identity Provider implementation discards the return value of its validateSignature method at both call sites handleSSORequest line 418 and handleSLORequest line 613. The method returns error strings on...

EUVD-2026-27671

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Fix possible dereference of uninitialized pointer There is a pointer headpage in rbmetavalidateevents which is not initialized at the beginning of a function. This pointer can be dereferenced if there is a failure...

EUVD-2026-27815

In the Linux kernel, the following vulnerability has been resolved: ovpn: tcp - fix packet extraction from stream When processing TCP stream data in ovpntcprecv, we receive large cloned skbs from strprcv that may contain multiple coalesced packets. The current implementation has two bugs: 1. Head...

EUVD-2026-27635

In the Linux kernel, the following vulnerability has been resolved: wifi: wl1251: validate packet IDs before indexing txframes wl1251txpacketcb uses the firmware completion ID directly to index the fixed 16-entry wl-txframes array. The ID is a raw u8 from the completion block, and the callback do...

CVE-2026-43272

CVE-2026-43272 concerns the Linux kernel ring-buffer component. The root cause is an uninitialized pointer in rb_meta_validate_events(), which can be dereferenced during a reader-page validation failure, potentially causing a system crash or instability. The issue is fixed by initializing orig_he...

CVE-2026-43272 ring-buffer: Fix possible dereference of uninitialized pointer

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Fix possible dereference of uninitialized pointer There is a pointer headpage in rbmetavalidateevents which is not initialized at the beginning of a function. This pointer can be dereferenced if there is a failure...