RHSA-2021:0521

The package y18n before 3.2.2, 4.0.1 and 5.0.5, is vulnerable to Prototype Pollution.

This affects the package ini before 1.3.6.

Node.js versions before 10.23.1, 12.20.1, 14.15.4, 15.5.1 are vulnerable to a use-after-free bug in its TLS implementation.

Node.js versions before 10.23.1, 12.20.1, 14.15.4, 15.5.1 allow two copies of a header field in an HTTP request (for example, two Transfer-Encoding header fields).

This affects the package npm-user-validate before 1.0.1.

Prototype pollution vulnerability in dot-prop npm package versions before 4.2.1 and versions 5.x before 5.1.1 allows an attacker to add arbitrary properties to JavaScript language constructs such as objects.

The implementation of realpath in libuv < 10.22.1, < 12.18.4, and < 14.9.0 used within Node.js incorrectly determined the buffer size which can result in a buffer overflow if the resolved path is longer than 256 bytes.

An issue was discovered in ajv.validate() in Ajv (aka Another JSON Schema Validator) 6.12.2.

yargs-parser could be tricked into adding or modifying properties of Object.prototype using a "__proto__" payload.

Versions of the npm CLI prior to 6.14.6 are vulnerable to an information exposure vulnerability through log files.