CVE-2026-103387

A weakness has been identified in garycourt uri-js up to 4.4.1. This affects the function URI.parse of the file src/schemes/mailto.ts of the component Mailto Header Handler. This manipulation of the argument to causes uncaught exception. The attack may be initiated remotely. The exploit has been...

UBUNTU-CVE-2026-103387

A weakness has been identified in garycourt uri-js up to 4.4.1. This affects the function URI.parse of the file src/schemes/mailto.ts of the component Mailto Header Handler. This manipulation of the argument to causes uncaught exception. The attack may be initiated remotely. The exploit has been...

CVE-2026-103387 garycourt uri-js Mailto Header mailto.ts URI.parse uncaught exception

A weakness has been identified in garycourt uri-js up to 4.4.1. This affects the function URI.parse of the file src/schemes/mailto.ts of the component Mailto Header Handler. This manipulation of the argument to causes uncaught exception. The attack may be initiated remotely. The exploit has been...

CVE-2026-103387 garycourt uri-js Mailto Header mailto.ts URI.parse uncaught exception

A weakness has been identified in garycourt uri-js up to 4.4.1. This affects the function URI.parse of the file src/schemes/mailto.ts of the component Mailto Header Handler. This manipulation of the argument to causes uncaught exception. The attack may be initiated remotely. The exploit has been...

CVE-2026-103387

A weakness exists in garycourt uri-js versions up to 4.4.1 . The vulnerability is located in the Mailto Header Handler component, specifically within the URI.parse function of the src/schemes/mailto.ts file. An attacker can remotely initiate an attack by manipulating the function argument to trig...

EUVD-2026-90361

A weakness has been identified in garycourt uri-js up to 4.4.1. This affects the function URI.parse of the file src/schemes/mailto.ts of the component Mailto Header Handler. This manipulation of the argument to causes uncaught exception. The attack may be initiated remotely. The exploit has been...

CVE-2026-103387

A weakness has been identified in garycourt uri-js up to 4.4.1. This affects the function URI.parse of the file src/schemes/mailto.ts of the component Mailto Header Handler. This manipulation of the argument to causes uncaught exception. The attack may be initiated remotely. The exploit has been...

CVE-2026-103387 garycourt uri-js Mailto Header mailto.ts URI.parse uncaught exception

A weakness has been identified in garycourt uri-js up to 4.4.1. This affects the function URI.parse of the file src/schemes/mailto.ts of the component Mailto Header Handler. This manipulation of the argument to causes uncaught exception. The attack may be initiated remotely. The exploit has been...

CVE-2026-103387: Uncaught Exception

A weakness has been identified in garycourt uri-js up to 4.4.1. This affects the function URI.parse of the file src/schemes/mailto.ts of the component Mailto Header Handler. This manipulation of the argument to causes uncaught exception. The attack may be initiated remotely. The exploit has been...

PT-2026-103523

Name of the Vulnerable Software and Affected Versions garycourt uri-js versions prior to 4.4.2 Description A weakness in the Mailto Header Handler component allows a remote attacker to cause an uncaught exception. This occurs through the manipulation of arguments passed to the URI.parse function...

AlmaLinux 9.2 [TuxCare] Security Update: xdg-utils Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2025:1751913634)

The AlmaLinux 9.2 host has a package installed that is affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2025:1751913634 advisory. - A flaw was found in the xdg-email component of xdg-utils-1.1.0-rc1 and newer. When handling mailto: URIs, xdg-email allows...

fast-uri vulnerable to mailto header injection via percent-encoded field-name desynchronization

Impact fast-uri's mailto scheme parser compares each query field name to the reserved names to, subject, body while the name is still percent-encoded, and only percent-decodes it when storing it as a generic header. On serialize, the decoded name is re-emitted, so a field name such as %74o...

EUVD-2026-78403

fast-uri vulnerable to mailto header injection via percent-encoded field-name desynchronization...

GHSA-JVVF-X445-J334 fast-uri vulnerable to mailto header injection via percent-encoded field-name desynchronization

Impact fast-uri's mailto scheme parser compares each query field name to the reserved names to, subject, body while the name is still percent-encoded, and only percent-decodes it when storing it as a generic header. On serialize, the decoded name is re-emitted, so a field name such as %74o...

NPM: fast-uri vulnerable to mailto header injection via percent-encoded field-name desynchronization

NPM: fast-uri vulnerable to mailto header injection via percent-encoded field-name desynchronization vulnerability discovered by ? in WordPress Npm fast-uri versions = 4.1.3, 4.1.5...

SUSE CVE-2026-86818

fast-uri is a dependency-free RFC 3986 URI parser for Node.js, used by Fastify and ajv, that added a mailto scheme parser in version 4.1.3. In versions 4.1.3 and 4.1.4, the mailto parser compares each query field name to the reserved names to, subject, and body while the name is still...

Encoding Error

Overview fast-uri is a Dependency-free RFC 3986 URI toolbox Affected versions of this package are vulnerable to Encoding Error in the mailto parser process. An attacker can inject unauthorized recipients or manipulate the subject and body fields by crafting a URI with percent-encoded reserved fie...

CVE-2026-86818

A flaw was found in fast-uri, a Node.js URI parser. In versions 4.1.3 and 4.1.4, the mailto parser incorrectly handles percent-encoded query field names. This desynchronization between parsing and serialization allows an attacker to inject arbitrary recipients, subjects, or body content into mail...

CVE-2026-86818

fast-uri is a dependency-free RFC 3986 URI parser for Node.js, used by Fastify and ajv, that added a mailto scheme parser in version 4.1.3. In versions 4.1.3 and 4.1.4, the mailto parser compares each query field name to the reserved names to, subject, and body while the name is still...

DEBIAN-CVE-2026-86818

fast-uri is a dependency-free RFC 3986 URI parser for Node.js, used by Fastify and ajv, that added a mailto scheme parser in version 4.1.3. In versions 4.1.3 and 4.1.4, the mailto parser compares each query field name to the reserved names to, subject, and body while the name is still...