DEBIAN-CVE-2026-4800

Impact: The fix for CVE-2021-23337 https://github.com/advisories/GHSA-35jh-r3h4-6jhm added validation for the variable option in .template but did not apply the same validation to options.imports key names. Both paths flow into the same Function constructor sink. When an application passes...

lodash 安全漏洞

lodash is an open-source JavaScript utility library developed by Lodash Utilities. Lodash has a security vulnerability, which stems from insufficient validation of the options.imports key name. This vulnerability could allow for the execution of arbitrary code during template compilation...

[SECURITY] Fedora 44 Update: pypy-7.3.21-3.fc44

PyPy's implementation of Python, featuring a Just-In-Time compiler on some CPU architectures, and various optimized implementations of the standard types strings, dictionaries, etc This build of PyPy has JIT-compilation enabled...

CVE-2026-33939

A flaw was found in Handlebars.js. A remote attacker can exploit this by submitting a malformed Handlebars template that includes decorator syntax referencing an unregistered decorator. When the application attempts to compile this template without proper error handling, it triggers an unhandled...

Linux Distros Unpatched Vulnerability : CVE-2026-33939

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Handlebars provides the power necessary to let users build semantic templates. In versions 4.0.0 through 4.7.8, when a Handlebars template contains decorator...

CVE-2026-33939

Handlebars provides the power necessary to let users build semantic templates. In versions 4.0.0 through 4.7.8, when a Handlebars template contains decorator syntax referencing an unregistered decorator e.g. n, the compiled template calls lookupPropertydecorators, "n", which returns undefined. Th...

CVE-2026-33939

Handlebars provides the power necessary to let users build semantic templates. In versions 4.0.0 through 4.7.8, when a Handlebars template contains decorator syntax referencing an unregistered decorator e.g. n, the compiled template calls lookupPropertydecorators, "n", which returns undefined. Th...

UBUNTU-CVE-2026-33939

Handlebars provides the power necessary to let users build semantic templates. In versions 4.0.0 through 4.7.8, when a Handlebars template contains decorator syntax referencing an unregistered decorator e.g. n, the compiled template calls lookupPropertydecorators, "n", which returns undefined. Th...

CVE-2026-33939

Summary: CVE-2026-33939 affects Handlebars 4.0.0–4.7.8, where a template using decorator syntax referencing an unregistered decorator (e.g. {{*n}}) causes the runtime to call an undefined value as a function, leading to an unhandled TypeError and a potential single-request DoS. The issue is fixed...

CVE-2026-33939

Handlebars provides the power necessary to let users build semantic templates. In versions 4.0.0 through 4.7.8, when a Handlebars template contains decorator syntax referencing an unregistered decorator e.g. n, the compiled template calls lookupPropertydecorators, "n", which returns undefined. Th...

CVE-2026-33939 Handlebars.js has Denial of Service via Malformed Decorator Syntax in Template Compilation

Handlebars provides the power necessary to let users build semantic templates. In versions 4.0.0 through 4.7.8, when a Handlebars template contains decorator syntax referencing an unregistered decorator e.g. n, the compiled template calls lookupPropertydecorators, "n", which returns undefined. Th...

CVE-2026-33939 Handlebars.js has Denial of Service via Malformed Decorator Syntax in Template Compilation

Handlebars provides the power necessary to let users build semantic templates. In versions 4.0.0 through 4.7.8, when a Handlebars template contains decorator syntax referencing an unregistered decorator e.g. n, the compiled template calls lookupPropertydecorators, "n", which returns undefined. Th...

CVE-2026-33939 Handlebars.js has Denial of Service via Malformed Decorator Syntax in Template Compilation

Handlebars provides the power necessary to let users build semantic templates. In versions 4.0.0 through 4.7.8, when a Handlebars template contains decorator syntax referencing an unregistered decorator e.g. n, the compiled template calls lookupPropertydecorators, "n", which returns undefined. Th...

EUVD-2026-16858

Handlebars.js has Denial of Service via Malformed Decorator Syntax in Template Compilation...

Handlebars.js has Denial of Service via Malformed Decorator Syntax in Template Compilation

Summary When a Handlebars template contains decorator syntax referencing an unregistered decorator e.g. n, the compiled template calls lookupPropertydecorators, "n", which returns undefined. The runtime then immediately invokes the result as a function, causing an unhandled TypeError: ... is not ...

Improper Check for Unusual or Exceptional Conditions

Overview org.webjars.npm:handlebars is an extension to the Mustache templating language. Affected versions of this package are vulnerable to Improper Check for Unusual or Exceptional Conditions through the registerDecorator path in lib/handlebars/compiler/javascript-compiler.js. An attacker can...

GHSA-9CX6-37PM-9JFF Handlebars.js has Denial of Service via Malformed Decorator Syntax in Template Compilation

Summary When a Handlebars template contains decorator syntax referencing an unregistered decorator e.g. n, the compiled template calls lookupPropertydecorators, "n", which returns undefined. The runtime then immediately invokes the result as a function, causing an unhandled TypeError: ... is not ...

Handlebars.js has JavaScript Injection via AST Type Confusion by tampering @partial-block

Summary The @partial-block special variable is stored in the template data context and is reachable and mutable from within a template via helpers that accept arbitrary objects. When a helper overwrites @partial-block with a crafted Handlebars AST, a subsequent invocation of @partial-block compil...

Arbitrary Code Injection

Overview happy-dom is a Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. It includes many web standards from WHATWG DOM and HTML. Affected versions of this package are vulnerable to Arbitrary Code Injection in the ECMAScript module compilation proces...

CVE-2026-4702

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: JIT miscompilation in the JavaScript Engine component...