Negotiator, a lightweight npm package for HTTP content negotiation, saw a minor version bump from 0.4.2 to 0.4.3, representing a relatively small update for developers. Both versions share identical core functionalities, providing essential tools for handling content negotiation based on HTTP headers. This includes determining the best response format (like JSON or XML) based on the client's preferences, declared through headers such as Accept, Accept-Language, Accept-Encoding, and Accept-Charset.
Developers familiar with version 0.4.2 will find a seamless transition to 0.4.3, as the API surface remains unchanged. The consistent feature set includes no direct dependencies, minimizing the package footprint in user projects and mitigating potential dependency conflicts. Both versions rely on nodeunit for development-time testing, indicating a robust approach to code quality.
The primary difference lies in the release date, with version 0.4.3 published on April 16, 2014, subsequent to version 0.4.2 launched on March 1, 2014. While the comprehensive changelog for this incremental update is not provided, developers can reasonably assume the newer version incorporates bug fixes, performance enhancements, or minor internal refactorings implemented within that timeframe. For developers starting new projects, opting for the latest 0.4.3 is generally recommended. Existing users of 0.4.2 can upgrade to the more recent iteration with minimal risk. The MIT license ensures flexibility in how Negotiator is utilized across diverse projects.
All the vulnerabilities related to the version 0.4.3 of the package
Regular Expression Denial of Service in negotiator
Affected versions of negotiator
are vulnerable to regular expression denial of service attacks, which trigger upon parsing a specially crafted Accept-Language
header value.
Update to version 0.6.1 or later.