Ref# Mozilla | Date: Apr 24th 2019

---

Description

The Microsoft Foundation released several security vulnerability fixes for Firefox 60.6. It is recommended to take the necessary precautions by ensuring your products are always updated to avoid an attacker from exploiting one of these vulnerabilities by taking control of an affected system.

The Firefox 60.6.1update includes, 2 critical vulnerability fixes.

Critical

• CVE-2019-9810: IonMonkey MArraySlice has incorrect alias information
• CVE-2019-9813: Ionmonkey type confusion with __proto__ mutations

The Guyana National CIRT recommends that users and administration review these updates and apply them where necessary.

Reference

• Mozilla Foundation Security Advisory 2019-10 (US-Cert)

https://www.mozilla.org/en-US/security/advisories/mfsa2019-10/